Cu3Sn - understanding the systematic absences

Authors:

Muller, Carola J.; Lidin, Sven

Journal:

Acta Crystallographica, Section B 70 879-887 (2014)

DOI:

https://doi.org/10.1107/S205252061401806X

B-IncStrDB ID: 9792EkbCGH Entry date: 2014-10-01 Last revision: 2021-12-12

473K-superstructure

Chemical data


Common Name: Cu3 Sn1 [ Help ]

Structural Formula Sum: Cu3 Sn1 [ Help ]

Formula weight: 309.3 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): C m c m [ Help ]

Space group name (Hall): -C -2x;-2yc;-2zc [ Help ]

Space group nb.: 63 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 -x,-y,z+1/2
3 -x,y,-z+1/2
4 x,-y,-z
5 -x,-y,-z
6 x,y,-z+1/2
7 x,-y,z+1/2
8 -x,y,z
9 x+1/2,y+1/2,z
10 -x+1/2,-y+1/2,z+1/2
11 -x+1/2,y+1/2,-z+1/2
12 x+1/2,-y+1/2,-z
13 -x+1/2,-y+1/2,-z
14 x+1/2,y+1/2,-z+1/2
15 x+1/2,-y+1/2,z+1/2
16 -x+1/2,y+1/2,z

a: 5.5210(2) Å [ Help ]

b: 47.781(3) Å [ Help ]

c: 4.3340(2) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1143.30(10) Å3 [ Help ]

Z: 20 [ Help ]

Cell determination reflection Nb.: 780 [ Help ]

θ(min) for cell determination: 3.41 ° [ Help ]

θ(max) for cell determination: 28.39 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.873 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET) (compiled Aug 2 2013,16:46:58) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) [ Help ]

Minimum transmission factor: 0.372 [ Help ]

Maximum transmission factor: 0.7 [ Help ]

Refinement details


Total nb. of reflections: 851 [ Help ]

Nb. of observed reflections: 332 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0382 [ Help ]

wR(obs): 0.1300 [ Help ]

R(all): 0.0966 [ Help ]

wR(all): 0.1719 [ Help ]

S(all): 1.17 [ Help ]

S(obs): 1.52 [ Help ]

Nb. of reflections: 851 [ Help ]

Nb. of parameters: 72 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0035999999I2) [ Help ]

Δ/σ(max): 0.0399 [ Help ]

Δ/σ(mean): 0.0079 [ Help ]

Δρ(max): 2.22 e_Å-3 [ Help ]

Δρ(min): -2.36 e_Å-3 [ Help ]

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

Extinction coefficient: 43(13) [ 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
Sn1 Sn 0 0.33365(4) 0.25 Uani 0.0061(6) 4 1 d ? ? ?
Sn2 Sn 0.5 0.36610(4) -0.25 Uani 0.0074(6) 4 1 d ? ? ?
Sn3 Sn 0.5 0.26620(4) -0.25 Uani 0.0043(5) 4 1 d ? ? ?
Cu1 Cu 0.2480(3) 0.38408(7) 0.25 Uani 0.0124(11) 8 1 d ? ? ?
Cu2 Cu 0.2402(3) 0.48427(7) -0.75 Uani 0.0108(10) 8 1 d ? ? ?
Cu3 Cu 0.2521(3) 0.41582(7) -0.25 Uani 0.0135(11) 8 1 d ? ? ?
Cu4 Cu 0.2526(3) 0.31614(6) -0.25 Uani 0.0065(10) 8 1 d ? ? ?
Cu5 Cu 0.2485(3) 0.28401(6) 0.25 Uani 0.0066(10) 8 1 d ? ? ?
Sn4 Sn 0.5 0.46640(4) -0.25 Uani 0.0081(6) 4 1 d ? ? ?
Sn5 Sn 0 0.43334(4) -0.75 Uani 0.0089(7) 4 1 d ? ? ?
Cu6 Cu 0.5 0.43178(7) -0.75 Uani 0.0079(11) 4 1 d ? ? ?
Cu7 Cu 0 0.46921(7) -1.25 Uani 0.0057(10) 4 1 d ? ? ?
Cu8 Cu 0 0.36961(7) -0.25 Uani 0.0103(11) 4 1 d ? ? ?
Cu9 Cu 0 0.26929(8) -0.25 Uani 0.0089(11) 4 1 d ? ? ?
Cu10 Cu -0.5 0.33070(7) 0.25 Uani 0.0078(10) 4 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0046(10) 0.0066(9) 0.0072(12) 0 0 0
Sn2 Sn 0.0076(11) 0.0069(9) 0.0077(13) 0 0 0
Sn3 Sn 0.0046(10) 0.0050(8) 0.0032(11) 0 0 0
Cu1 Cu 0.016(2) 0.0143(16) 0.007(2) 0.0005(7) 0 0
Cu2 Cu 0.0104(17) 0.0128(14) 0.009(2) -0.0015(6) 0 0
Cu3 Cu 0.0142(19) 0.0114(16) 0.015(2) -0.0011(7) 0 0
Cu4 Cu 0.0049(16) 0.0087(14) 0.006(2) -0.0016(6) 0 0
Cu5 Cu 0.0112(18) 0.0008(12) 0.008(2) 0.0002(5) 0 0
Sn4 Sn 0.0078(11) 0.0089(9) 0.0077(12) 0 0 0
Sn5 Sn 0.0092(11) 0.0082(9) 0.0092(13) 0 0 0
Cu6 Cu 0.0038(18) 0.0155(17) 0.004(2) 0 0 0
Cu7 Cu 0.0036(18) 0.0094(16) 0.004(2) 0 0 0
Cu8 Cu 0.010(2) 0.0091(16) 0.011(2) 0 0 0
Cu9 Cu 0.0075(18) 0.0124(15) 0.007(2) 0 0 0
Cu10 Cu 0.0037(17) 0.0121(16) 0.008(2) 0 0 0

573K-superstructure

Chemical data


Structural Formula: Cu3 Sn1 [ Help ]

Structural Formula Sum: Cu3 Sn1 [ Help ]

Formula weight: 309.3 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): C m c m [ Help ]

Space group name (Hall): -C -2x;-2yc;-2zc [ Help ]

Space group nb.: 63 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 -x,-y,z+1/2
3 -x,y,-z+1/2
4 x,-y,-z
5 -x,-y,-z
6 x,y,-z+1/2
7 x,-y,z+1/2
8 -x,y,z
9 x+1/2,y+1/2,z
10 -x+1/2,-y+1/2,z+1/2
11 -x+1/2,y+1/2,-z+1/2
12 x+1/2,-y+1/2,-z
13 -x+1/2,-y+1/2,-z
14 x+1/2,y+1/2,-z+1/2
15 x+1/2,-y+1/2,z+1/2
16 -x+1/2,y+1/2,z

a: 5.5185(3) Å [ Help ]

b: 47.768(2) Å [ Help ]

c: 4.3320(2) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1141.95(9) Å3 [ Help ]

Z: 20 [ Help ]

Cell determination reflection Nb.: 1456 [ Help ]

θ(min) for cell determination: 3.41 ° [ Help ]

θ(max) for cell determination: 28.08 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.918 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET) (compiled Aug 2 2013,16:46:58) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) [ Help ]

Minimum transmission factor: 0.227 [ Help ]

Maximum transmission factor: 0.551 [ Help ]

Refinement details


Total nb. of reflections: 840 [ Help ]

Nb. of observed reflections: 382 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0287 [ Help ]

wR(obs): 0.0921 [ Help ]

R(all): 0.0652 [ Help ]

wR(all): 0.1068 [ Help ]

S(all): 1.62 [ Help ]

S(obs): 2.20 [ Help ]

Nb. of reflections: 840 [ Help ]

Nb. of parameters: 72 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0497 [ Help ]

Δ/σ(mean): 0.0098 [ Help ]

Δρ(max): 1.75 e_Å-3 [ Help ]

Δρ(min): -1.84 e_Å-3 [ Help ]

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

Extinction coefficient: 194(10) [ 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
Sn1 Sn 0 0.33372(3) 0.25 Uani 0.0076(5) 4 1 d ? ? ?
Sn2 Sn 0.5 0.26613(4) 0.75 Uani 0.0065(5) 4 1 d ? ? ?
Sn3 Sn 0.5 0.36618(4) 0.75 Uani 0.0062(5) 4 1 d ? ? ?
Sn4 Sn 0.5 0.46628(4) 0.75 Uani 0.0081(5) 4 1 d ? ? ?
Cu1 Cu 0.5 0.43182(7) 0.25 Uani 0.0073(9) 4 1 d ? ? ?
Sn5 Sn 0 0.43330(4) 0.25 Uani 0.0084(5) 4 1 d ? ? ?
Cu2 Cu 0 0.46890(7) 0.75 Uani 0.0062(9) 4 1 d ? ? ?
Cu3 Cu 0 0.36954(6) 0.75 Uani 0.0076(9) 4 1 d ? ? ?
Cu4 Cu 0.2479(2) 0.38404(6) 0.25 Uani 0.0090(9) 8 1 d ? ? ?
Cu5 Cu 0.2397(3) 0.48422(7) 0.25 Uani 0.0091(8) 8 1 d ? ? ?
Cu6 Cu 0.2522(2) 0.41579(6) 0.75 Uani 0.0080(9) 8 1 d ? ? ?
Cu7 Cu 0.2477(2) 0.28404(7) 0.25 Uani 0.0134(10) 8 1 d ? ? ?
Cu8 Cu 0.2527(2) 0.31579(6) 0.75 Uani 0.0112(10) 8 1 d ? ? ?
Cu9 Cu 0 0.26942(7) 0.75 Uani 0.0125(10) 4 1 d ? ? ?
Cu10 Cu 0.5 0.33085(7) 0.25 Uani 0.0119(10) 4 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0073(9) 0.0073(8) 0.0083(11) 0 0 0
Sn2 Sn 0.0047(8) 0.0070(7) 0.0078(9) 0 0 0
Sn3 Sn 0.0053(9) 0.0054(7) 0.0077(10) 0 0 0
Sn4 Sn 0.0092(9) 0.0065(8) 0.0087(10) 0 0 0
Cu1 Cu 0.0045(16) 0.0138(16) 0.0036(17) 0 0 0
Sn5 Sn 0.0090(10) 0.0083(8) 0.0079(10) 0 0 0
Cu2 Cu 0.0065(16) 0.0075(14) 0.0046(16) 0 0 0
Cu3 Cu 0.0051(16) 0.0077(14) 0.0100(17) 0 0 0
Cu4 Cu 0.0136(18) 0.0071(13) 0.0063(17) 0.0005(5) 0 0
Cu5 Cu 0.0106(15) 0.0081(12) 0.0088(15) -0.0006(5) 0 0
Cu6 Cu 0.0092(16) 0.0054(14) 0.0092(19) 0.0003(5) 0 0
Cu7 Cu 0.0143(17) 0.0147(16) 0.0112(18) -0.0004(5) 0 0
Cu8 Cu 0.0127(17) 0.0122(16) 0.0088(18) -0.0004(5) 0 0
Cu9 Cu 0.0090(16) 0.0161(16) 0.0123(17) 0 0 0
Cu10 Cu 0.0105(18) 0.0154(16) 0.0098(19) 0 0 0

673K-superstructure

Chemical data


Structural Formula: Cu3 Sn1 [ Help ]

Structural Formula Sum: Cu3 Sn1 [ Help ]

Formula weight: 309.3 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): C m c m [ Help ]

Space group name (Hall): -C -2x;-2yc;-2zc [ Help ]

Space group nb.: 63 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 -x,-y,z+1/2
3 -x,y,-z+1/2
4 x,-y,-z
5 -x,-y,-z
6 x,y,-z+1/2
7 x,-y,z+1/2
8 -x,y,z
9 x+1/2,y+1/2,z
10 -x+1/2,-y+1/2,z+1/2
11 -x+1/2,y+1/2,-z+1/2
12 x+1/2,-y+1/2,-z
13 -x+1/2,-y+1/2,-z
14 x+1/2,y+1/2,-z+1/2
15 x+1/2,-y+1/2,z+1/2
16 -x+1/2,y+1/2,z

a: 5.51960(10) Å [ Help ]

b: 38.2386(12) Å [ Help ]

c: 4.33210(10) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 914.34(4) Å3 [ Help ]

Z: 16 [ Help ]

Cell determination reflection Nb.: 2178 [ Help ]

θ(min) for cell determination: 3.2 ° [ Help ]

θ(max) for cell determination: 28.38 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.885 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET) (compiled Aug 2 2013,16:46:58) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) [ Help ]

Minimum transmission factor: 0.095 [ Help ]

Maximum transmission factor: 0.529 [ Help ]

Refinement details


Total nb. of reflections: 689 [ Help ]

Nb. of observed reflections: 389 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0256 [ Help ]

wR(obs): 0.0904 [ Help ]

R(all): 0.0419 [ Help ]

wR(all): 0.0965 [ Help ]

S(all): 1.96 [ Help ]

S(obs): 2.54 [ Help ]

Nb. of reflections: 689 [ Help ]

Nb. of parameters: 58 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0485 [ Help ]

Δ/σ(mean): 0.0081 [ Help ]

Δρ(max): 1.34 e_Å-3 [ Help ]

Δρ(min): -1.25 e_Å-3 [ Help ]

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

Extinction coefficient: 225(12) [ 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
Sn1 Sn 0.5 0.29211(2) 0.25 Uani 0.0068(3) 4 1 d ? ? ?
Sn2 Sn 0 0.33254(2) 0.75 Uani 0.0069(3) 4 1 d ? ? ?
Sn3 Sn 0 0.45781(3) 0.75 Uani 0.0087(3) 4 1 d ? ? ?
Sn4 Sn 0.5 0.41656(3) 0.25 Uani 0.0082(3) 4 1 d ? ? ?
Cu1 Cu 0.5 0.46135(5) 0.75 Uani 0.0083(6) 4 1 d ? ? ?
Cu2 Cu 0 0.28811(5) 0.25 Uani 0.0111(6) 4 1 d ? ? ?
Cu3 Cu 0.26080(17) 0.48005(4) 0.25 Uani 0.0122(5) 8 1 d ? ? ?
Cu4 Cu 0 0.41423(5) 0.25 Uani 0.0081(6) 4 1 d ? ? ?
Cu5 Cu 0.25216(16) 0.23001(4) 0.25 Uani 0.0112(5) 8 1 d ? ? ?
Cu6 Cu 0.5 0.33687(5) 0.75 Uani 0.0119(6) 4 1 d ? ? ?
Cu7 Cu 0.25152(15) 0.35505(4) 0.25 Uani 0.0104(5) 8 1 d ? ? ?
Cu8 Cu 0.24709(15) 0.39472(4) 0.75 Uani 0.0104(5) 8 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0061(5) 0.0075(5) 0.0070(6) 0 0 0
Sn2 Sn 0.0071(6) 0.0062(5) 0.0074(6) 0 0 0
Sn3 Sn 0.0089(6) 0.0083(5) 0.0091(7) 0 0 0
Sn4 Sn 0.0084(6) 0.0082(5) 0.0080(6) 0 0 0
Cu1 Cu 0.0068(9) 0.0108(9) 0.0073(11) 0 0 0
Cu2 Cu 0.0101(10) 0.0127(9) 0.0105(12) 0 0 0
Cu3 Cu 0.0138(9) 0.0123(8) 0.0104(9) 0.0014(4) 0 0
Cu4 Cu 0.0065(10) 0.0125(9) 0.0052(10) 0 0 0
Cu5 Cu 0.0132(9) 0.0107(8) 0.0097(9) 0.0006(3) 0 0
Cu6 Cu 0.0110(11) 0.0135(9) 0.0113(11) 0 0 0
Cu7 Cu 0.0111(10) 0.0111(8) 0.0091(11) -0.0005(3) 0 0
Cu8 Cu 0.0145(10) 0.0093(8) 0.0074(10) 0.0003(3) 0 0

723K-superstructure

Chemical data


Structural Formula: Cu3 Sn1 [ Help ]

Structural Formula Sum: Cu3 Sn1 [ Help ]

Formula weight: 309.3 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): C m c m [ Help ]

Space group name (Hall): -C -2x;-2yc;-2zc [ Help ]

Space group nb.: 63 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 -x,-y,z+1/2
3 -x,y,-z+1/2
4 x,-y,-z
5 -x,-y,-z
6 x,y,-z+1/2
7 x,-y,z+1/2
8 -x,y,z
9 x+1/2,y+1/2,z
10 -x+1/2,-y+1/2,z+1/2
11 -x+1/2,y+1/2,-z+1/2
12 x+1/2,-y+1/2,-z
13 -x+1/2,-y+1/2,-z
14 x+1/2,y+1/2,-z+1/2
15 x+1/2,-y+1/2,z+1/2
16 -x+1/2,y+1/2,z

a: 5.5184(2) Å [ Help ]

b: 38.2337(15) Å [ Help ]

c: 4.3326(2) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 914.13(6) Å3 [ Help ]

Z: 16 [ Help ]

Cell determination reflection Nb.: 1730 [ Help ]

θ(min) for cell determination: 3.73 ° [ Help ]

θ(max) for cell determination: 28.28 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.894 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET) (compiled Aug 2 2013,16:46:58) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) [ Help ]

Minimum transmission factor: 0.199 [ Help ]

Maximum transmission factor: 0.434 [ Help ]

Refinement details


Total nb. of reflections: 673 [ Help ]

Nb. of observed reflections: 384 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0224 [ Help ]

wR(obs): 0.0538 [ Help ]

R(all): 0.0394 [ Help ]

wR(all): 0.0632 [ Help ]

S(all): 1.26 [ Help ]

S(obs): 1.48 [ Help ]

Nb. of reflections: 673 [ Help ]

Nb. of parameters: 58 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0325 [ Help ]

Δ/σ(mean): 0.0106 [ Help ]

Δρ(max): 1.55 e_Å-3 [ Help ]

Δρ(min): -1.60 e_Å-3 [ Help ]

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

Extinction coefficient: 570(12) [ 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
Sn1 Sn 0.5 0.292227(17) 0.25 Uani 0.0095(2) 4 1 d ? ? ?
Sn2 Sn 0 0.332569(16) 0.75 Uani 0.0089(2) 4 1 d ? ? ?
Sn3 Sn 0 0.457737(17) 0.75 Uani 0.0095(2) 4 1 d ? ? ?
Sn4 Sn 0.5 0.416506(17) 0.25 Uani 0.0093(2) 4 1 d ? ? ?
Cu1 Cu 0.5 0.46133(3) 0.75 Uani 0.0125(4) 4 1 d ? ? ?
Cu2 Cu 0 0.28840(3) 0.25 Uani 0.0134(4) 4 1 d ? ? ?
Cu3 Cu 0.26168(12) 0.48009(3) 0.25 Uani 0.0132(3) 8 1 d ? ? ?
Cu4 Cu 0 0.41409(3) 0.25 Uani 0.0114(4) 4 1 d ? ? ?
Cu5 Cu 0.25213(11) 0.23017(3) 0.25 Uani 0.0116(3) 8 1 d ? ? ?
Cu6 Cu 0.5 0.33679(4) 0.75 Uani 0.0124(4) 4 1 d ? ? ?
Cu7 Cu 0.25115(10) 0.35503(3) 0.25 Uani 0.0132(4) 8 1 d ? ? ?
Cu8 Cu 0.24682(10) 0.39476(3) 0.75 Uani 0.0124(4) 8 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0082(4) 0.0093(4) 0.0109(4) 0 0 0
Sn2 Sn 0.0076(4) 0.0096(4) 0.0095(4) 0 0 0
Sn3 Sn 0.0081(4) 0.0092(4) 0.0113(4) 0 0 0
Sn4 Sn 0.0084(4) 0.0088(4) 0.0106(4) 0 0 0
Cu1 Cu 0.0096(7) 0.0154(7) 0.0124(7) 0 0 0
Cu2 Cu 0.0117(7) 0.0152(7) 0.0132(7) 0 0 0
Cu3 Cu 0.0137(6) 0.0123(5) 0.0137(6) 0.0012(3) 0 0
Cu4 Cu 0.0097(7) 0.0137(6) 0.0106(7) 0 0 0
Cu5 Cu 0.0121(6) 0.0126(5) 0.0102(6) 0.0005(2) 0 0
Cu6 Cu 0.0096(7) 0.0158(6) 0.0119(7) 0 0 0
Cu7 Cu 0.0138(8) 0.0132(6) 0.0124(7) -0.0002(2) 0 0
Cu8 Cu 0.0140(7) 0.0123(6) 0.0109(7) 0.0004(2) 0 0

823K-superstructure

Chemical data


Structural Formula: Cu3 Sn1 [ Help ]

Structural Formula Sum: Cu3 Sn1 [ Help ]

Formula weight: 309.3 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): C m c m [ Help ]

Space group name (Hall): -C -2x;-2yc;-2zc [ Help ]

Space group nb.: 63 [ Help ]

Symmetry operations of the space group: [ Help ]

Operation code Operation in algebraic form
1 x,y,z
2 -x,-y,z+1/2
3 -x,y,-z+1/2
4 x,-y,-z
5 -x,-y,-z
6 x,y,-z+1/2
7 x,-y,z+1/2
8 -x,y,z
9 x+1/2,y+1/2,z
10 -x+1/2,-y+1/2,z+1/2
11 -x+1/2,y+1/2,-z+1/2
12 x+1/2,-y+1/2,-z
13 -x+1/2,-y+1/2,-z
14 x+1/2,y+1/2,-z+1/2
15 x+1/2,-y+1/2,z+1/2
16 -x+1/2,y+1/2,z

a: 5.51990(10) Å [ Help ]

b: 47.7904(9) Å [ Help ]

c: 4.33260(10) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 1142.93(4) Å3 [ Help ]

Z: 20 [ Help ]

Cell determination reflection Nb.: 1970 [ Help ]

θ(min) for cell determination: 4.26 ° [ Help ]

θ(max) for cell determination: 28.18 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.885 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET) (compiled Aug 2 2013,16:46:58) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) [ Help ]

Minimum transmission factor: 0.15 [ Help ]

Maximum transmission factor: 0.281 [ Help ]

Refinement details


Total nb. of reflections: 855 [ Help ]

Nb. of observed reflections: 447 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0228 [ Help ]

wR(obs): 0.0797 [ Help ]

R(all): 0.0467 [ Help ]

wR(all): 0.0884 [ Help ]

S(all): 1.71 [ Help ]

S(obs): 2.23 [ Help ]

Nb. of reflections: 855 [ Help ]

Nb. of parameters: 72 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0339 [ Help ]

Δ/σ(mean): 0.0083 [ Help ]

Δρ(max): 1.35 e_Å-3 [ Help ]

Δρ(min): -1.20 e_Å-3 [ Help ]

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

Extinction coefficient: 255(11) [ 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
Sn1 Sn 0 0.23386(2) 0.25 Uani 0.0090(3) 4 1 d ? ? ?
Sn2 Sn 0 0.13385(2) 0.25 Uani 0.0104(3) 4 1 d ? ? ?
Sn3 Sn 0.5 0.06676(2) 0.75 Uani 0.0110(3) 4 1 d ? ? ?
Sn4 Sn 0.5 0.16631(2) 0.75 Uani 0.0107(3) 4 1 d ? ? ?
Sn5 Sn 0 0.03375(2) 0.25 Uani 0.0108(3) 4 1 d ? ? ?
Cu1 Cu 0 0.16917(4) 0.75 Uani 0.0135(6) 4 1 d ? ? ?
Cu2 Cu 0.5 0.03086(4) 0.25 Uani 0.0142(6) 4 1 d ? ? ?
Cu3 Cu 0 0.06864(4) 0.75 Uani 0.0152(6) 4 1 d ? ? ?
Cu4 Cu 0.25197(15) 0.21601(4) 0.75 Uani 0.0123(6) 8 1 d ? ? ?
Cu5 Cu 0.24740(16) 0.18434(3) 0.25 Uani 0.0145(6) 8 1 d ? ? ?
Cu6 Cu 0.25113(15) 0.11617(4) 0.75 Uani 0.0154(6) 8 1 d ? ? ?
Cu7 Cu 0.24664(15) 0.08415(3) 0.25 Uani 0.0126(6) 8 1 d ? ? ?
Cu8 Cu 0.26147(17) 0.01599(4) 0.75 Uani 0.0121(5) 8 1 d ? ? ?
Cu9 Cu 0.5 0.13038(4) 0.25 Uani 0.0124(6) 4 1 d ? ? ?
Cu10 Cu 0.5 0.23075(4) 0.25 Uani 0.0120(6) 4 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0089(6) 0.0096(5) 0.0084(6) 0 0 0
Sn2 Sn 0.0103(6) 0.0114(5) 0.0095(6) 0 0 0
Sn3 Sn 0.0120(6) 0.0098(5) 0.0113(6) 0 0 0
Sn4 Sn 0.0110(6) 0.0102(5) 0.0109(6) 0 0 0
Sn5 Sn 0.0115(6) 0.0098(5) 0.0110(6) 0 0 0
Cu1 Cu 0.0131(11) 0.0153(10) 0.0122(11) 0 0 0
Cu2 Cu 0.0145(11) 0.0152(10) 0.0128(11) 0 0 0
Cu3 Cu 0.0154(11) 0.0166(9) 0.0136(12) 0 0 0
Cu4 Cu 0.0138(10) 0.0128(9) 0.0102(10) -0.0002(3) 0 0
Cu5 Cu 0.0184(11) 0.0143(10) 0.0109(11) -0.0001(3) 0 0
Cu6 Cu 0.0185(12) 0.0141(9) 0.0135(11) 0.0005(4) 0 0
Cu7 Cu 0.0153(12) 0.0117(9) 0.0110(11) -0.0004(3) 0 0
Cu8 Cu 0.0140(10) 0.0108(8) 0.0113(10) -0.0014(3) 0 0
Cu9 Cu 0.0114(11) 0.0148(10) 0.0111(11) 0 0 0
Cu10 Cu 0.0101(10) 0.0165(10) 0.0096(10) 0 0 0

473K-modulated

Chemical data


Structural Formula Sum: Cu3.048 Sn0.952 [ Help ]

Formula weight: 306.7 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Xmcm(0β0)000 [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 -x1,x2,x3,x4
3 x1,x2,-x3,x4
4 -x1,-x2+2/3,-x3+1/2,-x4
5 -x1,x2,-x3,x4
6 x1,-x2+2/3,-x3+1/2,-x4
7 -x1,-x2+2/3,x3+1/2,-x4
8 x1,-x2+2/3,x3+1/2,-x4
9 x1+1/2,x2,x3,x4+1/2
10 -x1+1/2,x2,x3,x4+1/2
11 x1+1/2,x2,-x3,x4+1/2
12 -x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
13 -x1+1/2,x2,-x3,x4+1/2
14 x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
15 -x1+1/2,-x2+2/3,x3+1/2,-x4+1/2
16 x1+1/2,-x2+2/3,x3+1/2,-x4+1/2

a: 5.528(2) Å [ Help ]

b: 4.783(4) Å [ Help ]

c: 4.3391(18) Å [ Help ]

α: 90.00(6) ° [ Help ]

β: 90.00(3) ° [ Help ]

γ: 90.00(6) ° [ Help ]

Volume: 114.73(11) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.000000 0.094900 0.000000

Z: 2 [ Help ]

Cell determination reflection Nb.: 776 [ Help ]

θ(min) for cell determination: 5.33 ° [ Help ]

θ(max) for cell determination: 27.61 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.664 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET) (compiled Mar 27 2014,17:12:48) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. [ Help ]

Minimum transmission factor: 0.148 [ Help ]

Maximum transmission factor: 0.474 [ Help ]

Refinement details


Total nb. of reflections: 591 [ Help ]

Nb. of observed reflections: 276 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0350 [ Help ]

wR(obs): 0.0834 [ Help ]

R(all): 0.0780 [ Help ]

wR(all): 0.1027 [ Help ]

S(all): 1.34 [ Help ]

S(obs): 1.63 [ Help ]

Nb. of reflections: 591 [ Help ]

Nb. of parameters: 24 [ Help ]

Number of constraints: 12 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0447 [ Help ]

Δ/σ(mean): 0.0092 [ Help ]

Δρ(max): 2.84 e_Å-3 [ Help ]

Δρ(min): -3.75 e_Å-3 [ Help ]

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

Extinction coefficient: 111(8) [ 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
Sn1 Sn 0 0.65651(15) 0 Uani 0.0097(2) 4 0.476(3) d ? ? ?
Cu1 Cu 0 0.65651(15) 0 Uani 0.0097(2) 4 0.524(3) d ? ? ?
Cu2 Cu -0.25 0.49256(19) 0.5 Uani 0.0127(3) 4 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0093(4) 0.0104(4) 0.0093(4) 0 0 0
Cu1 Cu 0.0093(4) 0.0104(4) 0.0093(4) 0 0 0
Cu2 Cu 0.0150(6) 0.0120(5) 0.0110(6) 0 0 0

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

Wave vector code q_1
1 1
2 2
3 3

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
Sn1 -0.2686(7) 0.476(3)
Cu1 0.2314(7) 0.524(3)

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

Modulation code Atom site label Displacement axis Wave vector code
Sn1x1 Sn1 x 1
Sn1y1 Sn1 y 1
Sn1z1 Sn1 z 1
Sn1x2 Sn1 x 2
Sn1y2 Sn1 y 2
Sn1z2 Sn1 z 2
Sn1x3 Sn1 x 3
Sn1y3 Sn1 y 3
Sn1z3 Sn1 z 3
Cu1x1 Cu1 x 1
Cu1y1 Cu1 y 1
Cu1z1 Cu1 z 1
Cu1x2 Cu1 x 2
Cu1y2 Cu1 y 2
Cu1z2 Cu1 z 2
Cu1x3 Cu1 x 3
Cu1y3 Cu1 y 3
Cu1z3 Cu1 z 3
Cu2x1 Cu2 x 1
Cu2y1 Cu2 y 1
Cu2z1 Cu2 z 1
Cu2x2 Cu2 x 2
Cu2y2 Cu2 y 2
Cu2z2 Cu2 z 2
Cu2x3 Cu2 x 3
Cu2y3 Cu2 y 3
Cu2z3 Cu2 z 3

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Sn1x1 0 0
Sn1y1 -0.00502(19) -0.01858(19)
Sn1z1 0 0
Sn1x2 0 0
Sn1y2 0.0027(4) -0.0017(4)
Sn1z2 0 0
Sn1x3 0 0
Sn1y3 -0.0015(2) -0.0037(2)
Sn1z3 0 0
Cu1x1 0 0
Cu1y1 -0.00502(19) -0.01858(19)
Cu1z1 0 0
Cu1x2 0 0
Cu1y2 0.0027(4) -0.0017(4)
Cu1z2 0 0
Cu1x3 0 0
Cu1y3 -0.0015(2) -0.0037(2)
Cu1z3 0 0
Cu2x1 0.0033(2) 0.00299(19)
Cu2y1 0 0
Cu2z1 0 0
Cu2x2 0 0
Cu2y2 -0.0002(5) -0.0013(6)
Cu2z2 0 0
Cu2x3 0.0032(2) 0.0013(2)
Cu2y3 0 0
Cu2z3 0 0

573K-modulated

Chemical data


Structural Formula Sum: Cu3.027 Sn0.973 [ Help ]

Formula weight: 307.9 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Xmcm(0β0)000 [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 -x1,x2,x3,x4
3 x1,x2,-x3,x4
4 -x1,-x2+2/3,-x3+1/2,-x4
5 -x1,x2,-x3,x4
6 x1,-x2+2/3,-x3+1/2,-x4
7 -x1,-x2+2/3,x3+1/2,-x4
8 x1,-x2+2/3,x3+1/2,-x4
9 x1+1/2,x2,x3,x4+1/2
10 -x1+1/2,x2,x3,x4+1/2
11 x1+1/2,x2,-x3,x4+1/2
12 -x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
13 -x1+1/2,x2,-x3,x4+1/2
14 x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
15 -x1+1/2,-x2+2/3,x3+1/2,-x4+1/2
16 x1+1/2,-x2+2/3,x3+1/2,-x4+1/2

a: 5.525(2) Å [ Help ]

b: 4.781(3) Å [ Help ]

c: 4.3385(17) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 114.60(9) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.000000 0.101400 0.000000

Z: 2 [ Help ]

Cell determination reflection Nb.: 1434 [ Help ]

θ(min) for cell determination: 4.22 ° [ Help ]

θ(max) for cell determination: 27.64 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.743 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET) (compiled Mar 27 2014,17:12:48) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. [ Help ]

Minimum transmission factor: 0.15 [ Help ]

Maximum transmission factor: 0.51 [ Help ]

Refinement details


Total nb. of reflections: 919 [ Help ]

Nb. of observed reflections: 406 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0383 [ Help ]

wR(obs): 0.0954 [ Help ]

R(all): 0.0799 [ Help ]

wR(all): 0.1118 [ Help ]

S(all): 1.52 [ Help ]

S(obs): 1.99 [ Help ]

Nb. of reflections: 919 [ Help ]

Nb. of parameters: 32 [ Help ]

Number of constraints: 16 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0326 [ Help ]

Δ/σ(mean): 0.0115 [ Help ]

Δρ(max): 3.07 e_Å-3 [ Help ]

Δρ(min): -3.48 e_Å-3 [ Help ]

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

Extinction coefficient: 272(10) [ 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
Sn1 Sn 0 0.51022(12) 0 Uani 0.00911(19) 4 0.4867(18) d ? ? ?
Cu1 Cu 0 0.51022(12) 0 Uani 0.00911(19) 4 0.5133(18) d ? ? ?
Cu2 Cu -0.25 0.67393(14) 0.5 Uani 0.0116(3) 4 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0086(3) 0.0089(3) 0.0098(3) 0 0 0
Cu1 Cu 0.0086(3) 0.0089(3) 0.0098(3) 0 0 0
Cu2 Cu 0.0137(5) 0.0105(5) 0.0107(5) 0 0 0

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

Wave vector code q_1
1 1
2 2
3 3
4 4
5 5

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
Sn1 -0.2320(5) 0.4867(18)
Cu1 0.2680(5) 0.5133(18)

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

Modulation code Atom site label Displacement axis Wave vector code
Sn1x1 Sn1 x 1
Sn1y1 Sn1 y 1
Sn1z1 Sn1 z 1
Sn1x2 Sn1 x 2
Sn1y2 Sn1 y 2
Sn1z2 Sn1 z 2
Sn1x3 Sn1 x 3
Sn1y3 Sn1 y 3
Sn1z3 Sn1 z 3
Sn1x4 Sn1 x 4
Sn1y4 Sn1 y 4
Sn1z4 Sn1 z 4
Sn1x5 Sn1 x 5
Sn1y5 Sn1 y 5
Sn1z5 Sn1 z 5
Cu1x1 Cu1 x 1
Cu1y1 Cu1 y 1
Cu1z1 Cu1 z 1
Cu1x2 Cu1 x 2
Cu1y2 Cu1 y 2
Cu1z2 Cu1 z 2
Cu1x3 Cu1 x 3
Cu1y3 Cu1 y 3
Cu1z3 Cu1 z 3
Cu1x4 Cu1 x 4
Cu1y4 Cu1 y 4
Cu1z4 Cu1 z 4
Cu1x5 Cu1 x 5
Cu1y5 Cu1 y 5
Cu1z5 Cu1 z 5
Cu2x1 Cu2 x 1
Cu2y1 Cu2 y 1
Cu2z1 Cu2 z 1
Cu2x2 Cu2 x 2
Cu2y2 Cu2 y 2
Cu2z2 Cu2 z 2
Cu2x3 Cu2 x 3
Cu2y3 Cu2 y 3
Cu2z3 Cu2 z 3
Cu2x4 Cu2 x 4
Cu2y4 Cu2 y 4
Cu2z4 Cu2 z 4
Cu2x5 Cu2 x 5
Cu2y5 Cu2 y 5
Cu2z5 Cu2 z 5

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Sn1x1 0 0
Sn1y1 -0.00466(15) 0.01834(14)
Sn1z1 0 0
Sn1x2 0 0
Sn1y2 -0.0020(2) -0.0002(2)
Sn1z2 0 0
Sn1x3 0 0
Sn1y3 -0.00177(14) 0.00375(14)
Sn1z3 0 0
Sn1x4 0 0
Sn1y4 -0.0015(2) -0.0014(3)
Sn1z4 0 0
Sn1x5 0 0
Sn1y5 0.00071(17) 0.00188(15)
Sn1z5 0 0
Cu1x1 0 0
Cu1y1 -0.00466(15) 0.01834(14)
Cu1z1 0 0
Cu1x2 0 0
Cu1y2 -0.0020(2) -0.0002(2)
Cu1z2 0 0
Cu1x3 0 0
Cu1y3 -0.00177(14) 0.00375(14)
Cu1z3 0 0
Cu1x4 0 0
Cu1y4 -0.0015(2) -0.0014(3)
Cu1z4 0 0
Cu1x5 0 0
Cu1y5 0.00071(17) 0.00188(15)
Cu1z5 0 0
Cu2x1 -0.00367(15) 0.00310(15)
Cu2y1 0 0
Cu2z1 0 0
Cu2x2 0 0
Cu2y2 -0.0001(3) 0.0019(3)
Cu2z2 0 0
Cu2x3 -0.00362(15) 0.00157(13)
Cu2y3 0 0
Cu2z3 0 0
Cu2x4 0 0
Cu2y4 0.0001(3) 0.0000(4)
Cu2z4 0 0
Cu2x5 -0.0021(2) 0.0016(3)
Cu2y5 0 0
Cu2z5 0 0

673K-modulated

Chemical data


Structural Formula Sum: Cu3.031 Sn0.969 [ Help ]

Formula weight: 307.6 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Xmcm(0β0)000 [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 -x1,x2,x3,x4
3 x1,x2,-x3,x4
4 -x1,-x2+2/3,-x3+1/2,-x4
5 -x1,x2,-x3,x4
6 x1,-x2+2/3,-x3+1/2,-x4
7 -x1,-x2+2/3,x3+1/2,-x4
8 x1,-x2+2/3,x3+1/2,-x4
9 x1+1/2,x2,x3,x4+1/2
10 -x1+1/2,x2,x3,x4+1/2
11 x1+1/2,x2,-x3,x4+1/2
12 -x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
13 -x1+1/2,x2,-x3,x4+1/2
14 x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
15 -x1+1/2,-x2+2/3,x3+1/2,-x4+1/2
16 x1+1/2,-x2+2/3,x3+1/2,-x4+1/2

a: 5.529(2) Å [ Help ]

b: 4.787(3) Å [ Help ]

c: 4.3381(17) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 114.82(9) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.000000 0.121550 0.000000

Z: 2 [ Help ]

Cell determination reflection Nb.: 2185 [ Help ]

θ(min) for cell determination: 4.26 ° [ Help ]

θ(max) for cell determination: 28.16 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.662 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET) (compiled Aug 2 2013,16:46:58) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) [ Help ]

Minimum transmission factor: 0.091 [ Help ]

Maximum transmission factor: 0.495 [ Help ]

Refinement details


Total nb. of reflections: 598 [ Help ]

Nb. of observed reflections: 384 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0403 [ Help ]

wR(obs): 0.1193 [ Help ]

R(all): 0.0558 [ Help ]

wR(all): 0.1354 [ Help ]

S(all): 2.90 [ Help ]

S(obs): 3.23 [ Help ]

Nb. of reflections: 598 [ Help ]

Nb. of parameters: 24 [ Help ]

Number of constraints: 12 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0494 [ Help ]

Δ/σ(mean): 0.0088 [ Help ]

Δρ(max): 4.38 e_Å-3 [ Help ]

Δρ(min): -5.80 e_Å-3 [ Help ]

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

Extinction coefficient: 330(20) [ 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
Cu2 Cu 0.25 0.17367(16) 0.5 Uani 0.0122(4) 4 1 d ? ? ?
Sn1 Sn 0 0.01046(13) 0 Uani 0.0094(3) 4 0.4843(17) d ? ? ?
Cu1 Cu 0 0.01046(13) 0 Uani 0.0094(3) 4 0.5157(17) d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Cu2 Cu 0.0142(7) 0.0119(6) 0.0104(7) 0 0 0
Sn1 Sn 0.0089(5) 0.0098(5) 0.0095(5) 0 0 0
Cu1 Cu 0.0089(5) 0.0098(5) 0.0095(5) 0 0 0

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

Wave vector code q_1
1 1
2 2
3 3

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
Sn1 -0.2279(6) 0.4843(17)
Cu1 0.2721(6) 0.5157(17)

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

Modulation code Atom site label Displacement axis Wave vector code
Cu2x1 Cu2 x 1
Cu2y1 Cu2 y 1
Cu2z1 Cu2 z 1
Cu2x2 Cu2 x 2
Cu2y2 Cu2 y 2
Cu2z2 Cu2 z 2
Cu2x3 Cu2 x 3
Cu2y3 Cu2 y 3
Cu2z3 Cu2 z 3
Sn1x1 Sn1 x 1
Sn1y1 Sn1 y 1
Sn1z1 Sn1 z 1
Sn1x2 Sn1 x 2
Sn1y2 Sn1 y 2
Sn1z2 Sn1 z 2
Sn1x3 Sn1 x 3
Sn1y3 Sn1 y 3
Sn1z3 Sn1 z 3
Cu1x1 Cu1 x 1
Cu1y1 Cu1 y 1
Cu1z1 Cu1 z 1
Cu1x2 Cu1 x 2
Cu1y2 Cu1 y 2
Cu1z2 Cu1 z 2
Cu1x3 Cu1 x 3
Cu1y3 Cu1 y 3
Cu1z3 Cu1 z 3

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Cu2x1 0.00435(17) -0.00314(19)
Cu2y1 0 0
Cu2z1 0 0
Cu2x2 0 0
Cu2y2 0.0002(4) 0.0006(5)
Cu2z2 0 0
Cu2x3 0.00490(17) -0.00247(18)
Cu2y3 0 0
Cu2z3 0 0
Sn1x1 0 0
Sn1y1 -0.00493(18) 0.01844(18)
Sn1z1 0 0
Sn1x2 0 0
Sn1y2 -0.0019(3) -0.0005(3)
Sn1z2 0 0
Sn1x3 0 0
Sn1y3 -0.00181(17) 0.00369(17)
Sn1z3 0 0
Cu1x1 0 0
Cu1y1 -0.00493(18) 0.01844(18)
Cu1z1 0 0
Cu1x2 0 0
Cu1y2 -0.0019(3) -0.0005(3)
Cu1z2 0 0
Cu1x3 0 0
Cu1y3 -0.00181(17) 0.00369(17)
Cu1z3 0 0

723K-modulated

Chemical data


Structural Formula Sum: Cu3.022 Sn0.978 [ Help ]

Formula weight: 308.1 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Xmcm(0β0)000 [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 -x1,x2,x3,x4
3 x1,x2,-x3,x4
4 -x1,-x2+2/3,-x3+1/2,-x4
5 -x1,x2,-x3,x4
6 x1,-x2+2/3,-x3+1/2,-x4
7 -x1,-x2+2/3,x3+1/2,-x4
8 x1,-x2+2/3,x3+1/2,-x4
9 x1+1/2,x2,x3,x4+1/2
10 -x1+1/2,x2,x3,x4+1/2
11 x1+1/2,x2,-x3,x4+1/2
12 -x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
13 -x1+1/2,x2,-x3,x4+1/2
14 x1+1/2,-x2+2/3,-x3+1/2,-x4+1/2
15 -x1+1/2,-x2+2/3,x3+1/2,-x4+1/2
16 x1+1/2,-x2+2/3,x3+1/2,-x4+1/2

a: 5.523(3) Å [ Help ]

b: 4.783(3) Å [ Help ]

c: 4.336(2) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 114.54(11) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.000000 0.124340 0.000000

Z: 2 [ Help ]

Cell determination reflection Nb.: 1695 [ Help ]

θ(min) for cell determination: 4.27 ° [ Help ]

θ(max) for cell determination: 28.18 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.767 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET) (compiled Mar 27 2014,17:12:48) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. [ Help ]

Minimum transmission factor: 0.107 [ Help ]

Maximum transmission factor: 0.368 [ Help ]

Refinement details


Total nb. of reflections: 583 [ Help ]

Nb. of observed reflections: 357 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0561 [ Help ]

wR(obs): 0.1232 [ Help ]

R(all): 0.0742 [ Help ]

wR(all): 0.1290 [ Help ]

S(all): 2.34 [ Help ]

S(obs): 2.90 [ Help ]

Nb. of reflections: 583 [ Help ]

Nb. of parameters: 24 [ Help ]

Number of constraints: 12 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0438 [ Help ]

Δ/σ(mean): 0.0128 [ Help ]

Δρ(max): 6.12 e_Å-3 [ Help ]

Δρ(min): -6.61 e_Å-3 [ Help ]

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

Extinction coefficient: 830(30) [ 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
Sn1 Sn 0 0.51013(15) 0 Uani 0.0125(3) 4 0.489(3) d ? ? ?
Cu1 Cu 0 0.51013(15) 0 Uani 0.0125(3) 4 0.511(3) d ? ? ?
Cu2 Cu 0.25 0.99298(18) 0 Uani 0.0145(4) 4 1 d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Sn1 Sn 0.0108(5) 0.0140(5) 0.0128(5) 0 0 0
Cu1 Cu 0.0108(5) 0.0140(5) 0.0128(5) 0 0 0
Cu2 Cu 0.0148(7) 0.0155(7) 0.0130(7) 0 0 0

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

Wave vector code q_1
1 1
2 2
3 3

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
Sn1 -0.2278(6) 0.489(3)
Cu1 0.2722(6) 0.511(3)

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

Modulation code Atom site label Displacement axis Wave vector code
Sn1x1 Sn1 x 1
Sn1y1 Sn1 y 1
Sn1z1 Sn1 z 1
Sn1x2 Sn1 x 2
Sn1y2 Sn1 y 2
Sn1z2 Sn1 z 2
Sn1x3 Sn1 x 3
Sn1y3 Sn1 y 3
Sn1z3 Sn1 z 3
Cu1x1 Cu1 x 1
Cu1y1 Cu1 y 1
Cu1z1 Cu1 z 1
Cu1x2 Cu1 x 2
Cu1y2 Cu1 y 2
Cu1z2 Cu1 z 2
Cu1x3 Cu1 x 3
Cu1y3 Cu1 y 3
Cu1z3 Cu1 z 3
Cu2x1 Cu2 x 1
Cu2y1 Cu2 y 1
Cu2z1 Cu2 z 1
Cu2x2 Cu2 x 2
Cu2y2 Cu2 y 2
Cu2z2 Cu2 z 2
Cu2x3 Cu2 x 3
Cu2y3 Cu2 y 3
Cu2z3 Cu2 z 3

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Sn1x1 0 0
Sn1y1 -0.00506(19) 0.01774(19)
Sn1z1 0 0
Sn1x2 0 0
Sn1y2 0.0001(3) -0.0002(3)
Sn1z2 0 0
Sn1x3 0 0
Sn1y3 -0.00220(18) 0.00444(18)
Sn1z3 0 0
Cu1x1 0 0
Cu1y1 -0.00506(19) 0.01774(19)
Cu1z1 0 0
Cu1x2 0 0
Cu1y2 0.0001(3) -0.0002(3)
Cu1z2 0 0
Cu1x3 0 0
Cu1y3 -0.00220(18) 0.00444(18)
Cu1z3 0 0
Cu2x1 0.00439(17) 0.00306(19)
Cu2y1 0 0
Cu2z1 0 0
Cu2x2 0 0
Cu2y2 -0.0004(3) 0.0011(3)
Cu2z2 0 0
Cu2x3 0.00538(18) 0.00253(18)
Cu2y3 0 0
Cu2z3 0 0

823K-modulated

Chemical data


Structural Formula Sum: Cu3.013 Sn0.987 [ Help ]

Formula weight: 308.6 Da [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Xmcm(0β0)000 [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 -x1,x2,x3,x4
3 x1,x2,-x3+1/2,x4
4 -x1,-x2,-x3,-x4
5 -x1,x2,-x3+1/2,x4
6 x1,-x2,-x3,-x4
7 -x1,-x2,x3+1/2,-x4
8 x1,-x2,x3+1/2,-x4
9 x1+1/2,x2,x3,x4+1/2
10 -x1+1/2,x2,x3,x4+1/2
11 x1+1/2,x2,-x3+1/2,x4+1/2
12 -x1+1/2,-x2,-x3,-x4+1/2
13 -x1+1/2,x2,-x3+1/2,x4+1/2
14 x1+1/2,-x2,-x3,-x4+1/2
15 -x1+1/2,-x2,x3+1/2,-x4+1/2
16 x1+1/2,-x2,x3+1/2,-x4+1/2

a: 5.529(2) Å [ Help ]

b: 4.788(2) Å [ Help ]

c: 4.3411(19) Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 114.92(8) Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.000000 0.100150 0.000000

Z: 2 [ Help ]

Cell determination reflection Nb.: 1973 [ Help ]

θ(min) for cell determination: 4.26 ° [ Help ]

θ(max) for cell determination: 28.17 ° [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 37.66 mm-1 [ Help ]

Absorption correction type: analytical [ Help ]

Absorption correction remarks: CrysAlisPro, Agilent Technologies, Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET) (compiled Mar 27 2014,17:12:48) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. [ Help ]

Minimum transmission factor: 0.152 [ Help ]

Maximum transmission factor: 0.283 [ Help ]

Refinement details


Total nb. of reflections: 932 [ Help ]

Nb. of observed reflections: 463 [ Help ]

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

Refinement based on: Fsqd [ Help ]

R(obs): 0.0475 [ Help ]

wR(obs): 0.1237 [ Help ]

R(all): 0.0778 [ Help ]

wR(all): 0.1327 [ Help ]

S(all): 2.08 [ Help ]

S(obs): 2.80 [ Help ]

Nb. of reflections: 932 [ Help ]

Nb. of parameters: 32 [ Help ]

Number of constraints: 16 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(I)+0.0004I2) [ Help ]

Δ/σ(max): 0.0453 [ Help ]

Δ/σ(mean): 0.0054 [ Help ]

Δρ(max): 4.46 e_Å-3 [ Help ]

Δρ(min): -5.61 e_Å-3 [ Help ]

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

Extinction coefficient: 372(16) [ 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
Cu2 Cu 0.25 0.84016(15) 0.25 Uani 0.0130(3) 4 1 d ? ? ?
Cu1 Cu 0 0.67710(12) 0.75 Uani 0.0112(2) 4 0.5065(19) d ? ? ?
Sn1 Sn 0 0.67710(12) 0.75 Uani 0.0112(2) 4 0.4935(19) d ? ? ?

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Cu2 Cu 0.0145(6) 0.0139(5) 0.0106(5) 0 0 0
Cu1 Cu 0.0105(4) 0.0128(4) 0.0103(4) 0 0 0
Sn1 Sn 0.0105(4) 0.0128(4) 0.0103(4) 0 0 0

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

Wave vector code q_1
1 1
2 2
3 3
4 4
5 5

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
Cu1 0.2676(5) 0.5065(19)
Sn1 -0.2324(5) 0.4935(19)

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

Modulation code Atom site label Displacement axis Wave vector code
Cu2x1 Cu2 x 1
Cu2y1 Cu2 y 1
Cu2z1 Cu2 z 1
Cu2x2 Cu2 x 2
Cu2y2 Cu2 y 2
Cu2z2 Cu2 z 2
Cu2x3 Cu2 x 3
Cu2y3 Cu2 y 3
Cu2z3 Cu2 z 3
Cu2x4 Cu2 x 4
Cu2y4 Cu2 y 4
Cu2z4 Cu2 z 4
Cu2x5 Cu2 x 5
Cu2y5 Cu2 y 5
Cu2z5 Cu2 z 5
Cu1x1 Cu1 x 1
Cu1y1 Cu1 y 1
Cu1z1 Cu1 z 1
Cu1x2 Cu1 x 2
Cu1y2 Cu1 y 2
Cu1z2 Cu1 z 2
Cu1x3 Cu1 x 3
Cu1y3 Cu1 y 3
Cu1z3 Cu1 z 3
Cu1x4 Cu1 x 4
Cu1y4 Cu1 y 4
Cu1z4 Cu1 z 4
Cu1x5 Cu1 x 5
Cu1y5 Cu1 y 5
Cu1z5 Cu1 z 5
Sn1x1 Sn1 x 1
Sn1y1 Sn1 y 1
Sn1z1 Sn1 z 1
Sn1x2 Sn1 x 2
Sn1y2 Sn1 y 2
Sn1z2 Sn1 z 2
Sn1x3 Sn1 x 3
Sn1y3 Sn1 y 3
Sn1z3 Sn1 z 3
Sn1x4 Sn1 x 4
Sn1y4 Sn1 y 4
Sn1z4 Sn1 z 4
Sn1x5 Sn1 x 5
Sn1y5 Sn1 y 5
Sn1z5 Sn1 z 5

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Cu2x1 0.00339(15) -0.00306(16)
Cu2y1 0 0
Cu2z1 0 0
Cu2x2 0 0
Cu2y2 0.0003(4) 0.0006(3)
Cu2z2 0 0
Cu2x3 0.00452(15) -0.00201(15)
Cu2y3 0 0
Cu2z3 0 0
Cu2x4 0 0
Cu2y4 0.0002(4) -0.0004(4)
Cu2z4 0 0
Cu2x5 0.00405(16) -0.00043(18)
Cu2y5 0 0
Cu2z5 0 0
Cu1x1 0 0
Cu1y1 -0.00422(16) 0.01833(16)
Cu1z1 0 0
Cu1x2 0 0
Cu1y2 -0.0003(2) 0.0008(2)
Cu1z2 0 0
Cu1x3 0 0
Cu1y3 -0.00210(15) 0.00504(15)
Cu1z3 0 0
Cu1x4 0 0
Cu1y4 -0.0020(2) -0.0008(3)
Cu1z4 0 0
Cu1x5 0 0
Cu1y5 -0.00350(14) 0.00002(15)
Cu1z5 0 0
Sn1x1 0 0
Sn1y1 -0.00422(16) 0.01833(16)
Sn1z1 0 0
Sn1x2 0 0
Sn1y2 -0.0003(2) 0.0008(2)
Sn1z2 0 0
Sn1x3 0 0
Sn1y3 -0.00210(15) 0.00504(15)
Sn1z3 0 0
Sn1x4 0 0
Sn1y4 -0.0020(2) -0.0008(3)
Sn1z4 0 0
Sn1x5 0 0
Sn1y5 -0.00350(14) 0.00002(15)
Sn1z5 0 0