Isosymmetrical Phase Transition and Charge Ordering in the mixed valence vanadate β-YbV4O8

Authors:

Friese, Karen; Kanke, Yasushi; Fitch, Andy N.; Grzechnik, Andrzej

Journal:

Chemistry of Materials 19 4882-4889 (2007)

DOI:

https://dx.doi.org/10.1021/cm0713475

B-IncStrDB ID: nuqTrLm7yYG Entry date: 2022-01-10 Last revision: 2022-01-10

290_superstructure

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb [ Help ]

Formula weight: 504.80 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,1/4-y,3/4-z
3 -x,-y,1/2-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,3/4-y,1/4-z
7 -x,1/2-y,-z
8 1/2-x,3/4+y,3/4+z

a: 9.06580(10) Å [ Help ]

b: 21.2656(2) Å [ Help ]

c: 5.76660(10) Å [ Help ]

α: 89.8901(12) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1111.74(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 290 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.524 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.1179 [ Help ]

Maximum transmission factor: 0.2001 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8395(15). Twin Volume fraction II = 0.1605(15). [ Help ]

Total nb. of reflections: 1787 [ Help ]

Nb. of observed reflections: 1565 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0444 [ Help ]

wR(obs): 0.0373 [ Help ]

R(all): 0.0739 [ Help ]

wR(all): 0.0380 [ Help ]

S(all): 6.21 [ Help ]

S(obs): 6.54 [ Help ]

Nb. of reflections: 1787 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0055 [ Help ]

Δ/σ(mean): 0.0006 [ Help ]

Δρ(max): 4.84 e_Å-3 [ Help ]

Δρ(min): -10.04 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1125(46) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.04440(19) 0.05564(8) 0.1234(4) Uani 0.0071(3) 8 1 d . . .
V12 V 0.07368(18) 0.55912(8) 0.1254(4) Uani 0.0071(3) 8 1 d . . .
V21 V 0.08198(18) 0.30288(8) 0.1262(4) Uani 0.0071(3) 8 1 d . . .
V22 V 0.09116(18) 0.79852(8) 0.1247(4) Uani 0.0071(3) 8 1 d . . .
O11 O 0.2920(8) 0.3289(3) 0.1403(16) Uani 0.0083(12) 8 1 d . . .
O12 O 0.2957(8) 0.8299(3) 0.1118(16) Uani 0.0083(12) 8 1 d . . .
O21 O 0.3811(8) 0.4871(4) 0.1336(16) Uani 0.0081(12) 8 1 d . . .
O22 O 0.3849(8) 0.9879(4) 0.1154(16) Uani 0.0081(12) 8 1 d . . .
O31 O 0.4612(9) 0.1109(4) 0.1286(17) Uani 0.0104(14) 8 1 d . . .
O32 O 0.4877(8) 0.6060(4) 0.1234(16) Uani 0.0104(14) 8 1 d . . .
O41 O 0.0857(8) 0.4644(4) 0.1326(16) Uani 0.0094(13) 8 1 d . . .
O42 O 0.0858(8) 0.9641(4) 0.1172(16) Uani 0.0094(13) 8 1 d . . .
Yb1 Yb 0.24230(6) 0.171214(19) 0.12876(9) Uani 0.00757(11) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0090(5) 0.0065(5) 0.0057(5) 0.0001(4) -0.0005(5) 0.0003(6)
V12 V 0.0090(5) 0.0065(5) 0.0057(5) 0.0001(4) -0.0005(5) 0.0003(6)
V21 V 0.0074(5) 0.0077(5) 0.0061(5) 0.0000(4) 0.0000(5) 0.0006(6)
V22 V 0.0074(5) 0.0077(5) 0.0061(5) 0.0000(4) 0.0000(5) 0.0006(6)
O11 O 0.0063(18) 0.010(2) 0.009(2) -0.0014(17) 0.004(2) -0.003(2)
O12 O 0.0063(18) 0.010(2) 0.009(2) -0.0014(17) 0.004(2) -0.003(2)
O21 O 0.010(2) 0.007(2) 0.008(2) 0.0023(17) 0.000(2) 0.000(3)
O22 O 0.010(2) 0.007(2) 0.008(2) 0.0023(17) 0.000(2) 0.000(3)
O31 O 0.013(2) 0.012(2) 0.006(2) 0.0011(18) 0.000(2) 0.002(3)
O32 O 0.013(2) 0.012(2) 0.006(2) 0.0011(18) 0.000(2) 0.002(3)
O41 O 0.012(2) 0.009(2) 0.008(2) 0.0004(18) 0.000(3) 0.000(3)
O42 O 0.012(2) 0.009(2) 0.008(2) 0.0004(18) 0.000(3) 0.000(3)
Yb1 Yb 0.00724(19) 0.00797(18) 0.00751(19) 0.00031(19) 0.0000(2) -0.00005(13)

290_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.06580(10) Å [ Help ]

b: 10.6328(2) Å [ Help ]

c: 2.88330(10) Å [ Help ]

α: 89.8901(12) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.935(11) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 290 K [ Help ]

Cell remarks: LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF. [ Help ]

μ: 31.524 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.1179 [ Help ]

Maximum transmission factor: 0.2001 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8395(15). Twin Volume fraction II = 0.1605(15). [ Help ]

Total nb. of reflections: 1787 [ Help ]

Nb. of observed reflections: 1565 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0444 [ Help ]

wR(obs): 0.0373 [ Help ]

R(all): 0.0739 [ Help ]

wR(all): 0.0380 [ Help ]

S(all): 6.21 [ Help ]

S(obs): 6.54 [ Help ]

Nb. of reflections: 1787 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0055 [ Help ]

Δ/σ(mean): 0.0006 [ Help ]

Δρ(max): 4.84 e_Å-3 [ Help ]

Δρ(min): -10.04 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1125(46) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.05904(13) 0.11476(10) 0.2488(6) Uani 0.0071(3) 4 1 d . . .
V2 V 0.08657(12) 0.60140(11) 0.2510(6) Uani 0.0071(3) 4 1 d . . .
O1 O 0.2938(5) 0.6587(5) 0.252(3) Uani 0.0083(12) 4 1 d . . .
O2 O 0.3830(5) 0.9750(4) 0.249(3) Uani 0.0081(12) 4 1 d . . .
O3 O 0.4744(6) 0.2169(5) 0.252(2) Uani 0.0104(14) 4 1 d . . .
O4 O 0.0857(5) 0.9285(4) 0.250(3) Uani 0.0094(13) 4 1 d . . .
Yb1 Yb 0.24230(6) 0.34243(4) 0.29997(9) Uani 0.00757(12) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0090(5) 0.0065(5) 0.0057(5) 0.0001(4) -0.0005(5) 0.0003(6)
V2 V 0.0074(5) 0.0077(5) 0.0061(5) 0.0000(4) 0.0000(5) 0.0006(6)
O1 O 0.0063(18) 0.010(2) 0.009(2) -0.0014(17) 0.004(2) -0.003(2)
O2 O 0.010(2) 0.007(2) 0.008(2) 0.0023(17) 0.000(2) 0.000(3)
O3 O 0.013(2) 0.012(2) 0.006(2) 0.0011(18) 0.000(2) 0.002(3)
O4 O 0.012(2) 0.009(2) 0.008(2) 0.0004(18) 0.000(3) 0.000(3)
Yb1 Yb 0.00724(19) 0.00797(18) 0.0075(2) 0.00031(19) 0.0000(2) 0.00204(14)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0352(3) 0
V1y1 -0.0084(3) 0
V1z1 -0.0047(12) 0
V2x1 0.00513(16) 0
V2y1 -0.00488(14) 0
V2z1 -0.0017(5) 0
O1x1 0.0019(6) 0
O1y1 0.0010(5) 0
O1z1 -0.0297(18) 0
O2x1 0.0025(8) 0
O2y1 0.0011(7) 0
O2z1 -0.024(3) 0
O3x1 -0.136(6) 0
O3y1 0.051(6) 0
O3z1 0.05(2) 0
O4x1 0.0001(8) 0
O4y1 -0.0003(7) 0
O4z1 -0.018(2) 0

250_superstructure

Chemical data


Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,3/4-y,1/4-z
3 -x,1/2-y,-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,1/4-y,3/4-z
7 -x,-y,1/2-z
8 1/2-x,3/4+y,3/4+z

a: 9.06350(10) Å [ Help ]

b: 21.2622(2) Å [ Help ]

c: 5.76320(10) Å [ Help ]

α: 89.8765(11) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1110.62(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 250 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.486 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0999 [ Help ]

Maximum transmission factor: 0.1816 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8354(17). Twin Volume fraction II = 0.1646(17). [ Help ]

Total nb. of reflections: 1770 [ Help ]

Nb. of observed reflections: 1618 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0466 [ Help ]

wR(obs): 0.0487 [ Help ]

R(all): 0.0746 [ Help ]

wR(all): 0.0498 [ Help ]

S(all): 10.42 [ Help ]

S(obs): 10.67 [ Help ]

Nb. of reflections: 1770 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0053 [ Help ]

Δ/σ(mean): 0.0007 [ Help ]

Δρ(max): 5.57 e_Å-3 [ Help ]

Δρ(min): -9.79 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1712(97) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.0445(2) 0.05544(10) 0.1236(4) Uani 0.0087(3) 8 1 d . . .
V12 V 0.0733(2) 0.55916(9) 0.1253(4) Uani 0.0087(3) 8 1 d . . .
V21 V 0.08194(19) 0.30283(9) 0.1263(4) Uani 0.0079(3) 8 1 d . . .
V22 V 0.0911(2) 0.79861(9) 0.1243(4) Uani 0.0079(3) 8 1 d . . .
O11 O 0.2906(9) 0.3282(4) 0.1370(18) Uani 0.0121(14) 8 1 d . . .
O12 O 0.2958(10) 0.8303(4) 0.1107(18) Uani 0.0121(14) 8 1 d . . .
O21 O 0.3796(9) 0.4869(4) 0.1341(19) Uani 0.0102(14) 8 1 d . . .
O22 O 0.3860(9) 0.9876(4) 0.1146(19) Uani 0.0102(14) 8 1 d . . .
O31 O 0.4613(10) 0.1119(4) 0.1266(19) Uani 0.0102(14) 8 1 d . . .
O32 O 0.4863(9) 0.6055(4) 0.1227(19) Uani 0.0102(14) 8 1 d . . .
O41 O 0.0852(9) 0.4647(4) 0.134(2) Uani 0.0108(14) 8 1 d . . .
O42 O 0.0842(9) 0.9634(4) 0.117(2) Uani 0.0108(14) 8 1 d . . .
Yb1 Yb 0.24208(6) 0.17122(2) 0.12889(10) Uani 0.00841(13) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0098(6) 0.0094(6) 0.0069(6) 0.0002(4) 0.0009(6) 0.0005(6)
V12 V 0.0098(6) 0.0094(6) 0.0069(6) 0.0002(4) 0.0009(6) 0.0005(6)
V21 V 0.0069(5) 0.0094(6) 0.0076(6) -0.0004(4) 0.0001(6) -0.0014(6)
V22 V 0.0069(5) 0.0094(6) 0.0076(6) -0.0004(4) 0.0001(6) -0.0014(6)
O11 O 0.012(2) 0.020(3) 0.004(2) 0.002(2) -0.002(3) -0.003(3)
O12 O 0.012(2) 0.020(3) 0.004(2) 0.002(2) -0.002(3) -0.003(3)
O21 O 0.007(2) 0.013(2) 0.010(3) 0.0051(19) 0.000(3) 0.002(3)
O22 O 0.007(2) 0.013(2) 0.010(3) 0.0051(19) 0.000(3) 0.002(3)
O31 O 0.013(2) 0.010(3) 0.007(3) -0.005(2) 0.004(3) -0.001(3)
O32 O 0.013(2) 0.010(3) 0.007(3) -0.005(2) 0.004(3) -0.001(3)
O41 O 0.011(2) 0.012(2) 0.010(3) 0.001(2) 0.003(3) 0.001(3)
O42 O 0.011(2) 0.012(2) 0.010(3) 0.001(2) 0.003(3) 0.001(3)
Yb1 Yb 0.0072(2) 0.0098(2) 0.0082(2) 0.00033(19) 0.0001(2) -0.00033(15)

250_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.06350(10) Å [ Help ]

b: 10.6311(2) Å [ Help ]

c: 2.88160(10) Å [ Help ]

α: 89.8765(11) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.656(11) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 250 K [ Help ]

Cell remarks: LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF. [ Help ]

μ: 31.486 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0999 [ Help ]

Maximum transmission factor: 0.1816 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8354(17). Twin Volume fraction II = 0.1646(17). [ Help ]

Total nb. of reflections: 1770 [ Help ]

Nb. of observed reflections: 1618 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0466 [ Help ]

wR(obs): 0.0487 [ Help ]

R(all): 0.0746 [ Help ]

wR(all): 0.0499 [ Help ]

S(all): 10.42 [ Help ]

S(obs): 10.67 [ Help ]

Nb. of reflections: 1770 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0053 [ Help ]

Δ/σ(mean): 0.0007 [ Help ]

Δρ(max): 5.57 e_Å-3 [ Help ]

Δρ(min): -9.79 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1712(97) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.05891(14) 0.11460(12) 0.2489(6) Uani 0.0087(3) 4 1 d . . .
V2 V 0.08652(13) 0.60143(12) 0.2506(7) Uani 0.0079(3) 4 1 d . . .
O1 O 0.2932(6) 0.6585(6) 0.248(3) Uani 0.0121(14) 4 1 d . . .
O2 O 0.3828(6) 0.9744(5) 0.249(3) Uani 0.0102(14) 4 1 d . . .
O3 O 0.4738(6) 0.2174(5) 0.249(3) Uani 0.0102(14) 4 1 d . . .
O4 O 0.0847(6) 0.9282(5) 0.252(3) Uani 0.0108(14) 4 1 d . . .
Yb1 Yb 0.24208(6) 0.34245(4) 0.30011(10) Uani 0.00841(14) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0098(6) 0.0094(6) 0.0069(6) 0.0002(4) 0.0009(6) 0.0005(6)
V2 V 0.0069(5) 0.0094(6) 0.0076(6) -0.0004(4) 0.0001(6) -0.0014(6)
O1 O 0.012(2) 0.020(3) 0.004(2) 0.002(2) -0.002(3) -0.003(3)
O2 O 0.007(2) 0.013(2) 0.010(3) 0.0051(19) 0.000(3) 0.002(3)
O3 O 0.013(2) 0.010(3) 0.007(3) -0.005(2) 0.004(3) -0.001(3)
O4 O 0.011(2) 0.012(2) 0.010(3) 0.001(2) 0.003(3) 0.001(3)
Yb1 Yb 0.0072(2) 0.0098(2) 0.0082(2) 0.00033(19) 0.0002(2) 0.00225(16)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0347(3) 0
V1y1 -0.0090(3) 0
V1z1 -0.0040(14) 0
V2x1 0.00513(17) 0
V2y1 -0.00472(16) 0
V2z1 -0.0022(6) 0
O1x1 0.0027(8) 0
O1y1 0.0022(7) 0
O1z1 -0.027(2) 0
O2x1 0.0042(9) 0
O2y1 0.0009(9) 0
O2z1 -0.025(3) 0
O3x1 -0.119(7) 0
O3y1 0.061(6) 0
O3z1 0.04(2) 0
O4x1 -0.0006(8) 0
O4y1 -0.0015(8) 0
O4z1 -0.020(3) 0

200_superstructure

Chemical data


Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,3/4-y,1/4-z
3 -x,1/2-y,-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,1/4-y,3/4-z
7 -x,-y,1/2-z
8 1/2-x,3/4+y,3/4+z

a: 9.06040(10) Å [ Help ]

b: 21.2578(2) Å [ Help ]

c: 5.76140(10) Å [ Help ]

α: 89.8574(11) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1109.67(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 200 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.514 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.1003 [ Help ]

Maximum transmission factor: 0.1948 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.843(2). Twin Volume fraction II = 0.157(2). [ Help ]

Total nb. of reflections: 1691 [ Help ]

Nb. of observed reflections: 1549 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0533 [ Help ]

wR(obs): 0.0565 [ Help ]

R(all): 0.0832 [ Help ]

wR(all): 0.0576 [ Help ]

S(all): 12.39 [ Help ]

S(obs): 12.72 [ Help ]

Nb. of reflections: 1691 [ Help ]

Nb. of parameters: 84 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0167 [ Help ]

Δ/σ(mean): 0.0008 [ Help ]

Δρ(max): 5.81 e_Å-3 [ Help ]

Δρ(min): -9.67 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1145(14) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.0447(2) 0.05549(10) 0.1234(5) Uani 0.0084(4) 8 1 d . . .
V12 V 0.0736(2) 0.55896(10) 0.1247(5) Uani 0.0084(4) 8 1 d . . .
V21 V 0.0824(2) 0.30298(10) 0.1261(5) Uani 0.0083(3) 8 1 d . . .
V22 V 0.0912(2) 0.79868(10) 0.1245(5) Uani 0.0083(3) 8 1 d . . .
O11 O 0.2910(10) 0.3278(5) 0.135(2) Uani 0.0119(15) 8 1 d . . .
O12 O 0.2961(10) 0.8298(5) 0.111(2) Uani 0.0119(15) 8 1 d . . .
O21 O 0.3803(10) 0.4868(5) 0.135(2) Uani 0.0104(15) 8 1 d . . .
O22 O 0.3861(10) 0.9874(5) 0.115(2) Uani 0.0104(15) 8 1 d . . .
O31 O 0.4623(10) 0.1112(4) 0.127(2) Uani 0.0097(15) 8 1 d . . .
O32 O 0.4880(10) 0.6054(4) 0.124(2) Uani 0.0097(15) 8 1 d . . .
O41 O 0.0861(10) 0.4648(5) 0.133(2) Uani 0.0107(15) 8 1 d . . .
O42 O 0.0851(10) 0.9635(5) 0.119(2) Uani 0.0107(15) 8 1 d . . .
Yb1 Yb 0.24242(7) 0.17126(2) 0.12870(11) Uani 0.00861(14) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0081(6) 0.0100(6) 0.0073(6) -0.0011(5) 0.0004(6) 0.0006(6)
V12 V 0.0081(6) 0.0100(6) 0.0073(6) -0.0011(5) 0.0004(6) 0.0006(6)
V21 V 0.0085(6) 0.0078(6) 0.0086(7) -0.0006(4) -0.0010(6) 0.0006(6)
V22 V 0.0085(6) 0.0078(6) 0.0086(7) -0.0006(4) -0.0010(6) 0.0006(6)
O11 O 0.009(2) 0.016(3) 0.010(3) 0.000(2) -0.001(3) -0.007(3)
O12 O 0.009(2) 0.016(3) 0.010(3) 0.000(2) -0.001(3) -0.007(3)
O21 O 0.015(3) 0.009(2) 0.007(3) 0.009(2) -0.003(3) 0.001(3)
O22 O 0.015(3) 0.009(2) 0.007(3) 0.009(2) -0.003(3) 0.001(3)
O31 O 0.013(3) 0.008(3) 0.008(3) -0.003(2) -0.002(3) -0.002(3)
O32 O 0.013(3) 0.008(3) 0.008(3) -0.003(2) -0.002(3) -0.002(3)
O41 O 0.009(2) 0.007(2) 0.016(3) -0.001(2) -0.002(3) 0.005(3)
O42 O 0.009(2) 0.007(2) 0.016(3) -0.001(2) -0.002(3) 0.005(3)
Yb1 Yb 0.0078(2) 0.0093(2) 0.0087(3) 0.0004(2) -0.0001(2) 0.00011(16)

200_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.06040(10) Å [ Help ]

b: 10.6289(2) Å [ Help ]

c: 2.88070(10) Å [ Help ]

α: 89.8574(11) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.417(11) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 200 K [ Help ]

Cell remarks: LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF. [ Help ]

μ: 31.514 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.1003 [ Help ]

Maximum transmission factor: 0.1948 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.843(2). Twin Volume fraction II = 0.157(2). [ Help ]

Total nb. of reflections: 1691 [ Help ]

Nb. of observed reflections: 1549 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0533 [ Help ]

wR(obs): 0.0565 [ Help ]

R(all): 0.0832 [ Help ]

wR(all): 0.0576 [ Help ]

S(all): 12.39 [ Help ]

S(obs): 12.73 [ Help ]

Nb. of reflections: 1691 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0039 [ Help ]

Δ/σ(mean): 0.0006 [ Help ]

Δρ(max): 5.81 e_Å-3 [ Help ]

Δρ(min): -9.67 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1145(14) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.05914(15) 0.11445(13) 0.2481(7) Uani 0.0084(4) 4 1 d . . .
V2 V 0.08678(14) 0.60166(13) 0.2506(7) Uani 0.0083(3) 4 1 d . . .
O1 O 0.2936(7) 0.6576(6) 0.246(3) Uani 0.0119(15) 4 1 d . . .
O2 O 0.3832(7) 0.9742(6) 0.250(3) Uani 0.0104(15) 4 1 d . . .
O3 O 0.4751(7) 0.2166(6) 0.251(3) Uani 0.0097(15) 4 1 d . . .
O4 O 0.0856(6) 0.9283(6) 0.252(3) Uani 0.0107(15) 4 1 d . . .
Yb1 Yb 0.24242(7) 0.34251(5) 0.29995(11) Uani 0.00861(16) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0081(6) 0.0100(6) 0.0073(6) -0.0011(5) 0.0004(6) 0.0006(6)
V2 V 0.0085(6) 0.0078(6) 0.0086(7) -0.0006(4) -0.0010(6) 0.0006(6)
O1 O 0.009(2) 0.016(3) 0.010(3) 0.000(2) -0.001(3) -0.007(3)
O2 O 0.015(3) 0.009(2) 0.007(3) 0.009(2) -0.003(3) 0.001(3)
O3 O 0.013(3) 0.008(3) 0.008(3) -0.003(2) -0.002(3) -0.002(3)
O4 O 0.009(2) 0.007(2) 0.016(3) -0.001(2) -0.002(3) 0.005(3)
Yb1 Yb 0.0078(2) 0.0093(2) 0.0088(3) 0.0004(2) 0.0001(2) 0.00255(17)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0345(4) 0
V1y1 -0.0083(4) 0
V1z1 -0.0032(15) 0
V2x1 0.00494(19) 0
V2y1 -0.00480(17) 0
V2z1 -0.0018(7) 0
O1x1 0.0026(8) 0
O1y1 0.0021(7) 0
O1z1 -0.025(3) 0
O2x1 0.0038(10) 0
O2y1 0.0008(10) 0
O2z1 -0.026(4) 0
O3x1 -0.126(7) 0
O3y1 0.057(7) 0
O3z1 0.04(3) 0
O4x1 -0.0006(9) 0
O4y1 -0.0016(9) 0
O4z1 -0.016(3) 0

175_superstructure

Chemical data


Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,3/4-y,1/4-z
3 -x,1/2-y,-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,1/4-y,3/4-z
7 -x,-y,1/2-z
8 1/2-x,3/4+y,3/4+z

a: 9.04940(10) Å [ Help ]

b: 21.2416(4) Å [ Help ]

c: 5.78400(10) Å [ Help ]

α: 90.030(3) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1111.82(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 175 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.453 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.1023 [ Help ]

Maximum transmission factor: 0.2117 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8420(16). Twin Volume fraction II = 0.1580(16). [ Help ]

Total nb. of reflections: 1800 [ Help ]

Nb. of observed reflections: 1558 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0447 [ Help ]

wR(obs): 0.0378 [ Help ]

R(all): 0.0755 [ Help ]

wR(all): 0.0389 [ Help ]

S(all): 6.07 [ Help ]

S(obs): 6.37 [ Help ]

Nb. of reflections: 1798 [ Help ]

Nb. of parameters: 78 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0178 [ Help ]

Δ/σ(mean): 0.0022 [ Help ]

Δρ(max): 6.39 e_Å-3 [ Help ]

Δρ(min): -11.59 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 865(37) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.04731(18) 0.05508(9) 0.1225(4) Uani 0.0054(3) 8 1 d . . .
V12 V 0.07374(18) 0.55801(9) 0.1218(4) Uani 0.0054(3) 8 1 d . . .
V21 V 0.08378(18) 0.30403(9) 0.1241(4) Uani 0.0056(3) 8 1 d . . .
V22 V 0.09042(18) 0.79900(9) 0.1246(4) Uani 0.0056(3) 8 1 d . . .
O11 O 0.2830(8) 0.3277(4) 0.1340(16) Uani 0.0094(13) 8 1 d . . .
O12 O 0.2967(8) 0.8304(4) 0.1111(17) Uani 0.0094(13) 8 1 d . . .
O21 O 0.3818(8) 0.4868(4) 0.1366(17) Uani 0.0077(10) 8 1 d . . .
O22 O 0.3869(8) 0.9887(4) 0.1142(16) Uani 0.0077(10) 8 1 d . . .
O31 O 0.4633(8) 0.1110(4) 0.1223(17) Uani 0.0077(10) 8 1 d . . .
O32 O 0.4904(8) 0.6050(4) 0.1273(17) Uani 0.0077(10) 8 1 d . . .
O41 O 0.0870(8) 0.4645(4) 0.1337(17) Uani 0.0073(13) 8 1 d . . .
O42 O 0.0870(8) 0.9630(4) 0.1121(16) Uani 0.0073(13) 8 1 d . . .
Yb1 Yb 0.24350(6) 0.17192(2) 0.13004(9) Uani 0.00578(11) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0053(5) 0.0066(5) 0.0042(6) 0.0001(4) -0.0006(5) -0.0007(6)
V12 V 0.0053(5) 0.0066(5) 0.0042(6) 0.0001(4) -0.0006(5) -0.0007(6)
V21 V 0.0046(4) 0.0073(5) 0.0049(5) -0.0001(4) -0.0002(5) -0.0012(6)
V22 V 0.0046(4) 0.0073(5) 0.0049(5) -0.0001(4) -0.0002(5) -0.0012(6)
O11 O 0.010(2) 0.014(2) 0.005(2) -0.0008(19) -0.003(3) 0.002(3)
O12 O 0.010(2) 0.014(2) 0.005(2) -0.0008(19) -0.003(3) 0.002(3)
O21 O 0.0091(15) 0.0092(18) 0.0049(17) 0.0026(13) -0.0014(18) -0.0051(19)
O22 O 0.0091(15) 0.0092(18) 0.0049(17) 0.0026(13) -0.0014(18) -0.0051(19)
O31 O 0.0091(15) 0.0092(18) 0.0049(17) 0.0026(13) -0.0014(18) -0.0051(19)
O32 O 0.0091(15) 0.0092(18) 0.0049(17) 0.0026(13) -0.0014(18) -0.0051(19)
O41 O 0.008(2) 0.008(2) 0.006(2) 0.0016(19) -0.002(2) -0.002(3)
O42 O 0.008(2) 0.008(2) 0.006(2) 0.0016(19) -0.002(2) -0.002(3)
Yb1 Yb 0.00527(18) 0.00724(19) 0.00483(19) 0.0001(2) 0.0000(2) -0.00071(13)

175_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.04940(10) Å [ Help ]

b: 10.6208(4) Å [ Help ]

c: 2.89200(10) Å [ Help ]

α: 90.030(3) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.955(15) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

Cell measurement temperature: 175 K [ Help ]

Cell remarks: Lattice parameter extrapolated from LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF in temperature range from 290 to 10K. [ Help ]

μ: 31.453 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.1023 [ Help ]

Maximum transmission factor: 0.2117 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8420(16). Twin Volume fraction II = 0.1580(16). [ Help ]

Total nb. of reflections: 1800 [ Help ]

Nb. of observed reflections: 1558 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0447 [ Help ]

wR(obs): 0.0378 [ Help ]

R(all): 0.0755 [ Help ]

wR(all): 0.0389 [ Help ]

S(all): 6.07 [ Help ]

S(obs): 6.37 [ Help ]

Nb. of reflections: 1798 [ Help ]

Nb. of parameters: 78 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0115 [ Help ]

Δ/σ(mean): 0.0009 [ Help ]

Δρ(max): 6.39 e_Å-3 [ Help ]

Δρ(min): -11.59 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 865(37) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.06053(12) 0.11310(11) 0.2443(6) Uani 0.0054(3) 4 1 d . . .
V2 V 0.08710(12) 0.60303(11) 0.2487(6) Uani 0.0056(3) 4 1 d . . .
O1 O 0.2898(5) 0.6581(5) 0.245(3) Uani 0.0094(13) 4 1 d . . .
O2 O 0.3843(5) 0.9755(5) 0.251(3) Uani 0.0077(10) 4 1 d . . .
O3 O 0.4768(6) 0.2160(5) 0.250(3) Uani 0.0077(10) 4 1 d . . .
O4 O 0.0870(5) 0.9275(5) 0.246(3) Uani 0.0073(13) 4 1 d . . .
Yb1 Yb 0.24350(6) 0.34385(4) 0.30196(9) Uani 0.00578(12) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0053(5) 0.0066(5) 0.0042(6) 0.0001(4) -0.0006(5) -0.0007(6)
V2 V 0.0046(4) 0.0073(5) 0.0049(5) -0.0001(4) -0.0002(5) -0.0012(6)
O1 O 0.010(2) 0.014(2) 0.005(2) -0.0008(19) -0.003(3) 0.002(3)
O2 O 0.0091(15) 0.0092(18) 0.0049(17) 0.0026(13) -0.0014(18) -0.0051(19)
O3 O 0.0091(15) 0.0092(18) 0.0049(17) 0.0026(13) -0.0014(18) -0.0051(19)
O4 O 0.008(2) 0.008(2) 0.006(2) 0.0016(19) -0.002(2) -0.002(3)
Yb1 Yb 0.00527(18) 0.00724(19) 0.00464(19) 0.0001(2) 0.0000(2) 0.00122(13)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0305(3) 0
V1y1 -0.0068(3) 0
V1z1 0.0017(12) 0
V2x1 0.00372(16) 0
V2y1 -0.00563(15) 0
V2z1 0.0005(6) 0
O1x1 0.0072(7) 0
O1y1 0.0027(6) 0
O1z1 -0.0240(19) 0
O2x1 0.0033(8) 0
O2y1 0.0026(8) 0
O2z1 -0.030(3) 0
O3x1 -0.126(6) 0
O3y1 0.056(6) 0
O3z1 -0.05(2) 0
O4x1 0.0000(8) 0
O4y1 -0.0017(7) 0
O4z1 -0.025(2) 0

150_superstructure

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,3/4-y,1/4-z
3 -x,1/2-y,-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,1/4-y,3/4-z
7 -x,-y,1/2-z
8 1/2-x,3/4+y,3/4+z

a: 9.04940(10) Å [ Help ]

b: 21.2286(4) Å [ Help ]

c: 5.78660(10) Å [ Help ]

α: 90.1271(13) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1111.64(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 150 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.458 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0712 [ Help ]

Maximum transmission factor: 0.1718 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8390(17). Twin Volume fraction II = 0.1610(17). [ Help ]

Total nb. of reflections: 1781 [ Help ]

Nb. of observed reflections: 1630 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0451 [ Help ]

wR(obs): 0.0488 [ Help ]

R(all): 0.0723 [ Help ]

wR(all): 0.0503 [ Help ]

S(all): 10.63 [ Help ]

S(obs): 10.82 [ Help ]

Nb. of reflections: 1781 [ Help ]

Nb. of parameters: 84 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0046 [ Help ]

Δ/σ(mean): 0.0006 [ Help ]

Δρ(max): 5.72 e_Å-3 [ Help ]

Δρ(min): -9.91 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1617(92) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.0488(2) 0.05493(10) 0.1223(4) Uani 0.0080(3) 8 1 d . . .
V12 V 0.0735(2) 0.55782(10) 0.1212(4) Uani 0.0080(3) 8 1 d . . .
V21 V 0.0837(2) 0.30400(9) 0.1252(4) Uani 0.0078(3) 8 1 d . . .
V22 V 0.0902(2) 0.79909(9) 0.1260(4) Uani 0.0078(3) 8 1 d . . .
O11 O 0.2811(8) 0.3271(4) 0.1315(18) Uani 0.0103(14) 8 1 d . . .
O12 O 0.2947(9) 0.8306(4) 0.1097(19) Uani 0.0103(14) 8 1 d . . .
O21 O 0.3835(9) 0.4867(5) 0.1362(19) Uani 0.0092(14) 8 1 d . . .
O22 O 0.3862(9) 0.9888(5) 0.1144(19) Uani 0.0092(14) 8 1 d . . .
O31 O 0.4645(9) 0.1112(4) 0.1215(19) Uani 0.0091(14) 8 1 d . . .
O32 O 0.4901(9) 0.6052(4) 0.1245(19) Uani 0.0091(14) 8 1 d . . .
O41 O 0.0878(10) 0.4646(4) 0.134(2) Uani 0.0112(14) 8 1 d . . .
O42 O 0.0864(10) 0.9633(4) 0.1135(19) Uani 0.0112(14) 8 1 d . . .
Yb1 Yb 0.24351(6) 0.17211(2) 0.13013(10) Uani 0.00800(13) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0086(5) 0.0091(5) 0.0063(6) 0.0000(4) -0.0002(6) 0.0008(6)
V12 V 0.0086(5) 0.0091(5) 0.0063(6) 0.0000(4) -0.0002(6) 0.0008(6)
V21 V 0.0077(5) 0.0082(5) 0.0075(6) -0.0004(4) 0.0001(6) 0.0006(6)
V22 V 0.0077(5) 0.0082(5) 0.0075(6) -0.0004(4) 0.0001(6) 0.0006(6)
O11 O 0.005(2) 0.015(3) 0.011(3) 0.0003(19) 0.003(3) -0.002(3)
O12 O 0.005(2) 0.015(3) 0.011(3) 0.0003(19) 0.003(3) -0.002(3)
O21 O 0.007(2) 0.014(2) 0.007(3) 0.0023(19) -0.001(3) 0.003(3)
O22 O 0.007(2) 0.014(2) 0.007(3) 0.0023(19) -0.001(3) 0.003(3)
O31 O 0.010(2) 0.011(3) 0.007(3) -0.0010(19) -0.003(3) 0.000(3)
O32 O 0.010(2) 0.011(3) 0.007(3) -0.0010(19) -0.003(3) 0.000(3)
O41 O 0.014(2) 0.011(2) 0.009(3) 0.003(2) 0.002(3) 0.000(3)
O42 O 0.014(2) 0.011(2) 0.009(3) 0.003(2) 0.002(3) 0.000(3)
Yb1 Yb 0.0079(2) 0.0087(2) 0.0074(2) 0.00033(19) -0.0001(2) 0.00033(14)

150_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.04940(10) Å [ Help ]

b: 10.6143(4) Å [ Help ]

c: 2.89330(10) Å [ Help ]

α: 90.1271(13) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.910(15) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 150 K [ Help ]

Cell remarks: LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF. [ Help ]

μ: 31.458 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0712 [ Help ]

Maximum transmission factor: 0.1718 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8390(17). Twin Volume fraction II = 0.1610(17). [ Help ]

Total nb. of reflections: 1781 [ Help ]

Nb. of observed reflections: 1630 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0451 [ Help ]

wR(obs): 0.0488 [ Help ]

R(all): 0.0723 [ Help ]

wR(all): 0.0503 [ Help ]

S(all): 10.63 [ Help ]

S(obs): 10.82 [ Help ]

Nb. of reflections: 1781 [ Help ]

Nb. of parameters: 84 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0046 [ Help ]

Δ/σ(mean): 0.0006 [ Help ]

Δρ(max): 5.72 e_Å-3 [ Help ]

Δρ(min): -9.91 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1617(92) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.06114(14) 0.11275(13) 0.2436(6) Uani 0.0080(3) 4 1 d . . .
V2 V 0.08697(13) 0.60309(12) 0.2512(7) Uani 0.0078(3) 4 1 d . . .
O1 O 0.2879(6) 0.6577(6) 0.241(3) Uani 0.0103(14) 4 1 d . . .
O2 O 0.3848(6) 0.9755(5) 0.251(3) Uani 0.0092(14) 4 1 d . . .
O3 O 0.4773(6) 0.2164(5) 0.246(3) Uani 0.0091(14) 4 1 d . . .
O4 O 0.0871(6) 0.9278(5) 0.248(3) Uani 0.0112(14) 4 1 d . . .
Yb1 Yb 0.24351(6) 0.34421(4) 0.30224(10) Uani 0.00800(14) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0086(5) 0.0091(5) 0.0063(6) 0.0000(4) -0.0002(6) 0.0008(6)
V2 V 0.0077(5) 0.0082(5) 0.0075(6) -0.0004(4) 0.0001(6) 0.0006(6)
O1 O 0.005(2) 0.015(3) 0.011(3) 0.0003(19) 0.003(3) -0.002(3)
O2 O 0.007(2) 0.014(2) 0.007(3) 0.0023(19) -0.001(3) 0.003(3)
O3 O 0.010(2) 0.011(3) 0.007(3) -0.0010(19) -0.003(3) 0.000(3)
O4 O 0.014(2) 0.011(2) 0.009(3) 0.003(2) 0.002(3) 0.000(3)
Yb1 Yb 0.0079(2) 0.0087(2) 0.0076(2) 0.00033(19) 0.0000(2) 0.00261(15)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0283(3) 0
V1y1 -0.0066(3) 0
V1z1 0.0025(13) 0
V2x1 0.00364(17) 0
V2y1 -0.00548(15) 0
V2z1 0.0009(6) 0
O1x1 0.0072(7) 0
O1y1 0.0036(6) 0
O1z1 -0.023(2) 0
O2x1 0.0018(9) 0
O2y1 0.0027(10) 0
O2z1 -0.029(3) 0
O3x1 -0.108(6) 0
O3y1 0.051(6) 0
O3z1 -0.03(2) 0
O4x1 -0.0008(9) 0
O4y1 -0.0015(8) 0
O4z1 -0.024(3) 0

125_superstructure

Chemical data


Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,3/4-y,1/4-z
3 -x,1/2-y,-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,1/4-y,3/4-z
7 -x,-y,1/2-z
8 1/2-x,3/4+y,3/4+z

a: 9.05090(10) Å [ Help ]

b: 21.2166(3) Å [ Help ]

c: 5.78700(10) Å [ Help ]

α: 90.1890(13) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1111.27(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 125 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.468 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0607 [ Help ]

Maximum transmission factor: 0.1468 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8483(16). Twin Volume fraction II = 0.1517(16). [ Help ]

Total nb. of reflections: 1774 [ Help ]

Nb. of observed reflections: 1593 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0497 [ Help ]

wR(obs): 0.0485 [ Help ]

R(all): 0.0739 [ Help ]

wR(all): 0.0490 [ Help ]

S(all): 9.69 [ Help ]

S(obs): 10.17 [ Help ]

Nb. of reflections: 1774 [ Help ]

Nb. of parameters: 84 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0145 [ Help ]

Δ/σ(mean): 0.0015 [ Help ]

Δρ(max): 4.98 e_Å-3 [ Help ]

Δρ(min): -7.24 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1174(79) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.0490(2) 0.05490(10) 0.1222(4) Uani 0.0088(3) 8 1 d . . .
V12 V 0.07339(19) 0.55780(10) 0.1215(4) Uani 0.0088(3) 8 1 d . . .
V21 V 0.08339(19) 0.30414(9) 0.1252(4) Uani 0.0086(3) 8 1 d . . .
V22 V 0.0899(2) 0.79917(9) 0.1261(4) Uani 0.0086(3) 8 1 d . . .
O11 O 0.2810(8) 0.3273(4) 0.1308(18) Uani 0.0120(14) 8 1 d . . .
O12 O 0.2955(9) 0.8306(4) 0.1113(19) Uani 0.0120(14) 8 1 d . . .
O21 O 0.3840(9) 0.4862(4) 0.1364(18) Uani 0.0102(14) 8 1 d . . .
O22 O 0.3889(9) 0.9884(4) 0.1138(18) Uani 0.0102(14) 8 1 d . . .
O31 O 0.4653(9) 0.1111(4) 0.1230(18) Uani 0.0097(14) 8 1 d . . .
O32 O 0.4912(8) 0.6052(5) 0.1251(18) Uani 0.0097(14) 8 1 d . . .
O41 O 0.0866(9) 0.4644(4) 0.1315(19) Uani 0.0113(14) 8 1 d . . .
O42 O 0.0879(9) 0.9640(4) 0.1164(19) Uani 0.0113(14) 8 1 d . . .
Yb1 Yb 0.24371(6) 0.17221(2) 0.13010(10) Uani 0.00891(13) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0079(5) 0.0096(6) 0.0089(6) 0.0002(4) -0.0004(6) 0.0007(6)
V12 V 0.0079(5) 0.0096(6) 0.0089(6) 0.0002(4) -0.0004(6) 0.0007(6)
V21 V 0.0081(5) 0.0097(6) 0.0080(6) -0.0004(4) -0.0004(6) 0.0001(6)
V22 V 0.0081(5) 0.0097(6) 0.0080(6) -0.0004(4) -0.0004(6) 0.0001(6)
O11 O 0.008(2) 0.015(3) 0.013(3) -0.002(2) 0.000(3) 0.001(3)
O12 O 0.008(2) 0.015(3) 0.013(3) -0.002(2) 0.000(3) 0.001(3)
O21 O 0.011(2) 0.010(2) 0.010(3) 0.0056(19) 0.003(3) 0.004(3)
O22 O 0.011(2) 0.010(2) 0.010(3) 0.0056(19) 0.003(3) 0.004(3)
O31 O 0.009(2) 0.014(3) 0.005(2) -0.002(2) -0.001(2) 0.000(3)
O32 O 0.009(2) 0.014(3) 0.005(2) -0.002(2) -0.001(2) 0.000(3)
O41 O 0.009(2) 0.010(2) 0.015(3) -0.002(2) -0.001(3) 0.002(3)
O42 O 0.009(2) 0.010(2) 0.015(3) -0.002(2) -0.001(3) 0.002(3)
Yb1 Yb 0.0079(2) 0.0098(2) 0.0090(2) 0.0001(2) 0.0002(2) 0.00031(14)

125_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.05090(10) Å [ Help ]

b: 10.6083(3) Å [ Help ]

c: 2.89350(10) Å [ Help ]

α: 90.1890(13) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.817(13) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

Cell measurement temperature: 125 K [ Help ]

Cell remarks: Lattice parameter extrapolated from LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF in temperature range from 290 to 10K. [ Help ]

μ: 31.468 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0607 [ Help ]

Maximum transmission factor: 0.1468 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8483(16). Twin Volume fraction II = 0.1517(16). [ Help ]

Total nb. of reflections: 1774 [ Help ]

Nb. of observed reflections: 1593 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0497 [ Help ]

wR(obs): 0.0485 [ Help ]

R(all): 0.0739 [ Help ]

wR(all): 0.0490 [ Help ]

S(all): 9.69 [ Help ]

S(obs): 10.17 [ Help ]

Nb. of reflections: 1774 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0090 [ Help ]

Δ/σ(mean): 0.0008 [ Help ]

Δρ(max): 4.98 e_Å-3 [ Help ]

Δρ(min): -7.24 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1174(79) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.06121(13) 0.11270(13) 0.2437(6) Uani 0.0088(3) 4 1 d . . .
V2 V 0.08666(12) 0.60330(12) 0.2513(7) Uani 0.0086(3) 4 1 d . . .
O1 O 0.2883(6) 0.6579(6) 0.242(3) Uani 0.0120(14) 4 1 d . . .
O2 O 0.3864(6) 0.9746(5) 0.250(3) Uani 0.0102(14) 4 1 d . . .
O3 O 0.4783(6) 0.2162(5) 0.248(3) Uani 0.0097(14) 4 1 d . . .
O4 O 0.0873(5) 0.9283(5) 0.248(3) Uani 0.0113(14) 4 1 d . . .
Yb1 Yb 0.24371(6) 0.34442(4) 0.30230(10) Uani 0.00891(14) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0079(5) 0.0096(6) 0.0089(6) 0.0002(4) -0.0004(6) 0.0007(6)
V2 V 0.0081(5) 0.0097(6) 0.0080(6) -0.0004(4) -0.0004(6) 0.0001(6)
O1 O 0.008(2) 0.015(3) 0.013(3) -0.002(2) 0.000(3) 0.001(3)
O2 O 0.011(2) 0.010(2) 0.010(3) 0.0056(19) 0.003(3) 0.004(3)
O3 O 0.009(2) 0.014(3) 0.005(2) -0.002(2) -0.001(2) 0.000(3)
O4 O 0.009(2) 0.010(2) 0.015(3) -0.002(2) -0.001(3) 0.002(3)
Yb1 Yb 0.0079(2) 0.0098(2) 0.0092(2) 0.0001(2) 0.0002(2) 0.00288(15)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0279(3) 0
V1y1 -0.0067(3) 0
V1z1 0.0018(13) 0
V2x1 0.00365(17) 0
V2y1 -0.00554(16) 0
V2z1 0.0010(6) 0
O1x1 0.0076(7) 0
O1y1 0.0035(6) 0
O1z1 -0.021(2) 0
O2x1 0.0032(9) 0
O2y1 0.0029(9) 0
O2z1 -0.030(3) 0
O3x1 -0.116(6) 0
O3y1 0.053(6) 0
O3z1 -0.02(2) 0
O4x1 0.0008(8) 0
O4y1 -0.0005(8) 0
O4z1 -0.018(3) 0

100_superstructure

Chemical data


Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Space group name (H-M): A21/d [ Help ]

Space group name (Hall): A21/d11 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 1/2+x,3/4-y,1/4-z
3 -x,1/2-y,-z
4 1/2-x,1/4+y,1/4+z
5 x,1/2+y,1/2+z
6 1/2+x,1/4-y,3/4-z
7 -x,-y,1/2-z
8 1/2-x,3/4+y,3/4+z

a: 9.05280(10) Å [ Help ]

b: 21.2088(3) Å [ Help ]

c: 5.78640(10) Å [ Help ]

α: 90.2258(13) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1110.97(3) Å3 [ Help ]

Z: 8 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 125 K [ Help ]

Cell remarks: LeBail Fit of powder data measured at a wavelength of 0.3995 Angstroem at beamline ID31 at the ESRF. [ Help ]

μ: 31.477 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0652 [ Help ]

Maximum transmission factor: 0.1815 [ Help ]

Refinement details


Refinement remarks: Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8431(17). Twin Volume fraction II = 0.1569(17). [ Help ]

Total nb. of reflections: 1798 [ Help ]

Nb. of observed reflections: 1584 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0484 [ Help ]

wR(obs): 0.0442 [ Help ]

R(all): 0.0798 [ Help ]

wR(all): 0.0449 [ Help ]

S(all): 8.02 [ Help ]

S(obs): 8.43 [ Help ]

Nb. of reflections: 1798 [ Help ]

Nb. of parameters: 84 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0081 [ Help ]

Δ/σ(mean): 0.0007 [ Help ]

Δρ(max): 6.76 e_Å-3 [ Help ]

Δρ(min): -12.07 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1128(55) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V11 V 0.0497(2) 0.05469(10) 0.1216(4) Uani 0.0062(3) 8 1 d . . .
V12 V 0.07362(19) 0.55769(10) 0.1212(4) Uani 0.0062(3) 8 1 d . . .
V21 V 0.08332(19) 0.30430(9) 0.1249(4) Uani 0.0064(3) 8 1 d . . .
V22 V 0.0897(2) 0.79932(9) 0.1256(4) Uani 0.0064(3) 8 1 d . . .
O11 O 0.2806(8) 0.3274(4) 0.1313(17) Uani 0.0089(14) 8 1 d . . .
O12 O 0.2944(9) 0.8308(4) 0.1097(18) Uani 0.0089(14) 8 1 d . . .
O21 O 0.3835(9) 0.4864(4) 0.1396(18) Uani 0.0079(14) 8 1 d . . .
O22 O 0.3861(9) 0.9882(4) 0.1143(18) Uani 0.0079(14) 8 1 d . . .
O31 O 0.4653(9) 0.1123(4) 0.1233(19) Uani 0.0076(14) 8 1 d . . .
O32 O 0.4909(8) 0.6050(4) 0.1270(19) Uani 0.0076(14) 8 1 d . . .
O41 O 0.0873(9) 0.4647(4) 0.1296(19) Uani 0.0080(14) 8 1 d . . .
O42 O 0.0879(9) 0.9634(4) 0.1065(18) Uani 0.0080(14) 8 1 d . . .
Yb11 Yb 0.24375(6) 0.17227(2) 0.12994(10) Uani 0.00632(12) 8 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V11 V 0.0056(5) 0.0083(5) 0.0048(6) 0.0004(4) -0.0003(6) -0.0013(6)
V12 V 0.0056(5) 0.0083(5) 0.0048(6) 0.0004(4) -0.0003(6) -0.0013(6)
V21 V 0.0046(5) 0.0078(6) 0.0067(6) -0.0005(4) 0.0000(6) -0.0006(6)
V22 V 0.0046(5) 0.0078(6) 0.0067(6) -0.0005(4) 0.0000(6) -0.0006(6)
O11 O 0.007(2) 0.015(3) 0.004(2) -0.003(2) -0.002(3) 0.001(3)
O12 O 0.007(2) 0.015(3) 0.004(2) -0.003(2) -0.002(3) 0.001(3)
O21 O 0.011(2) 0.007(2) 0.005(3) 0.0029(19) 0.001(3) -0.003(3)
O22 O 0.011(2) 0.007(2) 0.005(3) 0.0029(19) 0.001(3) -0.003(3)
O31 O 0.006(2) 0.007(3) 0.010(3) -0.0047(19) -0.002(3) -0.003(3)
O32 O 0.006(2) 0.007(3) 0.010(3) -0.0047(19) -0.002(3) -0.003(3)
O41 O 0.009(2) 0.009(2) 0.007(3) 0.000(2) 0.001(3) -0.003(3)
O42 O 0.009(2) 0.009(2) 0.007(3) 0.000(2) 0.001(3) -0.003(3)
Yb11 Yb 0.0052(2) 0.0080(2) 0.0058(2) 0.0004(2) -0.0001(3) -0.00099(14)

100_composite

Chemical data


Common Name: Ytterbiumvanadate [ Help ]

Formula moiety: Yb V4 O8 [ Help ]

Structural Formula Sum: O8 V4 Yb1 [ Help ]

Formula weight: 504.8 Da [ Help ]

Compound Source: YbVO3 + V2O3 + V2O4 [ Help ]

Crystallographic data and experimental details


Crystal system: monoclinic [ Help ]

Superspace group name: P21/n(0βγ)0s [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 1/2+x1,1/2-x2,1/2-x3,-x4
3 -x1,-x2,-x3,1/2-x4
4 1/2-x1,1/2+x2,1/2+x3,1/2+x4

a: 9.05280(10) Å [ Help ]

b: 10.6044(3) Å [ Help ]

c: 2.89320(10) Å [ Help ]

α: 90.2258(13) ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 277.744(13) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.50000 0.50000

Number of subsystems: 2 [ Help ]

Subsystem code: 1 [ Help ]

Subsystem description: 1-st subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

Subsystem code: 2 [ Help ]

Subsystem description: 2-nd subsystem [ Help ]

W matrix:

1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 0.0 1.0
0.0 0.0 1.0 0.0

Z: 1 [ Help ]

θ(min) for cell determination: 1 ° [ Help ]

θ(max) for cell determination: 10 ° [ Help ]

Cell measurement temperature: 100 K [ Help ]

Cell remarks: LeBail fit of powder data measured at a wavelength of 0.3995 Angstreom at beamline ID31 at the ESRF. [ Help ]

μ: 31.477 mm-1 [ Help ]

Absorption correction type: integration [ Help ]

Absorption correction remarks: X-red (Stoe & CIE) [ Help ]

Minimum transmission factor: 0.0652 [ Help ]

Maximum transmission factor: 0.1815 [ Help ]

Refinement details


Refinement remarks: Commensurate Composite Crystal. Refinement in four dimensional space. Twin Model: Twin Matrix 1 0 0; 0 -1 0; 0 0 1; Twin Volume fraction I = 0.8431(17). Twin Volume fraction II = 0.1569(17). [ Help ]

Total nb. of reflections: 1798 [ Help ]

Nb. of observed reflections: 1584 [ Help ]

Intense reflections threshold: I>3σ(I) [ Help ]

Refinement based on: F [ Help ]

R(obs): 0.0484 [ Help ]

wR(obs): 0.0442 [ Help ]

R(all): 0.0798 [ Help ]

wR(all): 0.0449 [ Help ]

S(all): 8.02 [ Help ]

S(obs): 8.43 [ Help ]

Nb. of reflections: 1798 [ Help ]

Nb. of parameters: 84 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.000004F2) [ Help ]

Δ/σ(max): 0.0088 [ Help ]

Δ/σ(mean): 0.0006 [ Help ]

Δρ(max): 6.76 e_Å-3 [ Help ]

Δρ(min): -12.07 e_Å-3 [ Help ]

Extinction method: B-C type 1 Gaussian isotropic (Becker & Coppens, 1974) [ Help ]

Extinction coefficient: 1128(55) [ Help ]

Structural Information


Average Structure: [ Help ]

Atom site label Atom symbol x y z ADP type Uiso/equiv Symmetry multiplicity Occupancy Coords from (d)iffraction or (c)alculated Coords restraints or constraints Disordered cluster Disordered group
V1 V 0.06168(13) 0.11238(13) 0.2428(6) Uani 0.0062(3) 4 1 d . . .
V2 V 0.08653(13) 0.60363(12) 0.2505(7) Uani 0.0064(3) 4 1 d . . .
O1 O 0.2875(5) 0.6582(6) 0.241(3) Uani 0.0089(14) 4 1 d . . .
O2 O 0.3848(6) 0.9745(5) 0.254(3) Uani 0.0079(14) 4 1 d . . .
O3 O 0.4781(6) 0.2173(5) 0.250(3) Uani 0.0076(14) 4 1 d . . .
O4 O 0.0876(6) 0.9282(5) 0.236(3) Uani 0.0080(14) 4 1 d . . .
Yb1 Yb 0.24375(6) 0.34454(4) 0.30221(10) Uani 0.00632(13) 4 1 d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
V1 V 0.0056(5) 0.0083(5) 0.0048(6) 0.0004(4) -0.0003(6) -0.0013(6)
V2 V 0.0046(5) 0.0078(6) 0.0067(6) -0.0005(4) 0.0000(6) -0.0006(6)
O1 O 0.007(2) 0.015(3) 0.004(2) -0.003(2) -0.002(3) 0.001(3)
O2 O 0.011(2) 0.007(2) 0.005(3) 0.0029(19) 0.001(3) -0.003(3)
O3 O 0.006(2) 0.007(3) 0.010(3) -0.0047(19) -0.002(3) -0.003(3)
O4 O 0.009(2) 0.009(2) 0.007(3) 0.000(2) 0.001(3) -0.003(3)
Yb1 Yb 0.0052(2) 0.0080(2) 0.0054(2) 0.0004(2) 0.0000(3) 0.00115(15)

Fourier Wave Vectors (explicit: q_x,q_y,q_z or coefficients: q_1,q_2,...): [ Help ]

Wave vector code q_x q_y q_z
1 0.00000 0.50000 0.50000

Definition of the displacive (translational) Fourier series: [ Help ]

Modulation code Atom site label Displacement axis Wave vector code
V1x1 V1 x 1
V1y1 V1 y 1
V1z1 V1 z 1
V2x1 V2 x 1
V2y1 V2 y 1
V2z1 V2 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1
O2x1 O2 x 1
O2y1 O2 y 1
O2z1 O2 z 1
O3x1 O3 x 1
O3y1 O3 y 1
O3z1 O3 z 1
O4x1 O4 x 1
O4y1 O4 y 1
O4z1 O4 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
V1x1 -0.0272(3) 0
V1y1 -0.0068(3) 0
V1z1 0.0010(13) 0
V2x1 0.00358(17) 0
V2y1 -0.00555(16) 0
V2z1 0.0009(6) 0
O1x1 0.0073(7) 0
O1y1 0.0036(6) 0
O1z1 -0.023(2) 0
O2x1 0.0017(9) 0
O2y1 0.0024(9) 0
O2z1 -0.034(3) 0
O3x1 -0.125(6) 0
O3y1 0.071(6) 0
O3z1 -0.04(2) 0
O4x1 0.0004(8) 0
O4y1 -0.0015(8) 0
O4z1 -0.027(3) 0