Three-dimensional electron diffraction on clinkers: the belite α'H incommensurate modulated structure

Authors:

Plana-Ruiz, Sergi ; Gotz, Emilia; Neumann, Thomas; Schwesig, Peter; Kolb, Ute

Journal:

Acta Crystallographica Section B 80 105-116 (2024)

DOI:

https://doi.org/10.1107/S205252062400146X

B-IncStrDB ID: 7bhGderGvHs Entry date: 2024-03-06 Last revision: 2024-07-10

0k_average_dyn

Chemical data


Structural Formula Sum: Ca8 O16 Si4 [ Help ]

Formula weight: 689 Da [ Help ]

Absolute configuration: . [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): P n m a [ Help ]

Space group name (Hall): -P -2xabc;-2yb;-2zac [ Help ]

Space group nb.: 62 [ Help ]

Symmetry operations of the space group: [ Help ]

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

a: 6.776 Å [ Help ]

b: 5.496 Å [ Help ]

c: 9.252 Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 344.5527 Å3 [ Help ]

Z: 1 [ Help ]

μ: 0 mm-1 [ Help ]

Refinement details


Total nb. of reflections: 2439 [ Help ]

Nb. of observed reflections: 1709 [ Help ]

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

Refinement based on: F [ Help ]

R(obs): 0.0557 [ Help ]

wR(obs): 0.0562 [ Help ]

R(all): 0.0787 [ Help ]

wR(all): 0.0585 [ Help ]

S(all): 2.03 [ Help ]

S(obs): 1.77 [ Help ]

Nb. of reflections: 2439 [ Help ]

Nb. of parameters: 137 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.0001F2) [ Help ]

Δ/σ(max): 0.0325 [ Help ]

Δ/σ(mean): 0.0029 [ Help ]

Extinction method: none [ 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
Ca1 Ca 0.66658(12) 0.75 0.5706(2) Uani 0.0251(6) 4 1 d . . .
Ca2 Ca 0.49080(11) 0.25 0.79563(19) Uani 0.0161(5) 4 1 d . . .
Si1 Si 0.78069(16) 0.25 0.4128(3) Uani 0.0158(7) 4 1 d . . .
O1 O 0.7521(6) 0.5203(6) 0.8014(7) Uani 0.0258(18) 8 0.621(4) d . . .
O2 O 0.6574(3) 0.3219(4) 0.5622(7) Uani 0.030(2) 8 0.5 d . . .
O3 O 1.0073(3) 0.3122(5) 0.4500(7) Uani 0.024(2) 8 0.5 d . . .
O1_2 O 0.8219(9) 0.5103(11) 0.8563(14) Uani 0.0258(18) 8 0.379(2) d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Ca1 Ca 0.0123(4) 0.0387(6) 0.0244(17) 0 -0.0005(6) 0
Ca2 Ca 0.0090(4) 0.0275(5) 0.0118(14) 0 -0.0004(5) 0
Si1 Si 0.0114(5) 0.0201(7) 0.016(2) 0 0.0002(7) 0
O1 O 0.026(2) 0.0194(9) 0.032(5) -0.0089(13) 0.0070(18) -0.0099(17)
O2 O 0.0141(11) 0.037(2) 0.039(6) -0.0012(8) 0.0088(17) 0.0096(17)
O3 O 0.0159(11) 0.042(3) 0.014(5) -0.0063(8) 0.0023(15) -0.0050(14)
O1_2 O 0.026(2) 0.0194(9) 0.032(5) -0.0089(13) 0.0070(18) -0.0099(17)

0k_modulated_dyn

Chemical data


Structural Formula Sum: Ca8 O16 Si4 [ Help ]

Formula weight: 689 Da [ Help ]

Absolute configuration: . [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Pnma(α00)0ss [ Help ]

Symmetry operations of the superspace group: [ Help ]

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

a: 6.776 Å [ Help ]

b: 5.496 Å [ Help ]

c: 9.252 Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 344.5527 Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.372500 0.000000 0.000000

Z: 1 [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 0 mm-1 [ Help ]

Refinement details


Total nb. of reflections: 7296 [ Help ]

Nb. of observed reflections: 3733 [ Help ]

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

Refinement based on: F [ Help ]

R(obs): 0.1228 [ Help ]

wR(obs): 0.1122 [ Help ]

R(all): 0.1824 [ Help ]

wR(all): 0.1197 [ Help ]

S(all): 2.38 [ Help ]

S(obs): 3.10 [ Help ]

Nb. of reflections: 7296 [ Help ]

Nb. of parameters: 126 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.0001F2) [ Help ]

Δ/σ(max): 0.0401 [ Help ]

Δ/σ(mean): 0.0059 [ Help ]

Δρ(max): 21.89 e_Å-3 [ Help ]

Δρ(min): -5.27 e_Å-3 [ Help ]

Extinction method: none [ 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
Ca1 Ca 1.16654(15) 0.75 0.5714(2) Uiso 0.0130(3) 4 1 d . . .
Ca2 Ca 1.00881(13) 0.75 0.2045(2) Uiso 0.0069(3) 4 1 d . . .
Si1 Si 0.7195(2) 0.75 0.5881(4) Uiso 0.0100(4) 4 1 d . . .
O1 O 0.7772(3) 0.9827(3) 0.6781(5) Uiso 0.0150(5) 8 1 d . . .
O2 O 0.8422(4) 0.6772(5) 0.4352(7) Uiso 0.0215(7) 8 0.5 d . . .
O3 O 0.4913(4) 0.8101(4) 0.5485(6) Uiso 0.0194(7) 8 0.5 d . . .

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

Wave vector code q_1
1 1

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
O2 0.0025(18) 0.5
O3 0.715(2) 0.5

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

Modulation code Atom site label Displacement axis Wave vector code
Ca1x1 Ca1 x 1
Ca1y1 Ca1 y 1
Ca1z1 Ca1 z 1
Ca2x1 Ca2 x 1
Ca2y1 Ca2 y 1
Ca2z1 Ca2 z 1
Si1x1 Si1 x 1
Si1y1 Si1 y 1
Si1z1 Si1 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Ca1x1 0 0
Ca1y1 0.0281(3) -0.0237(3)
Ca1z1 0 0
Ca2x1 0 0
Ca2y1 -0.0154(3) -0.0325(3)
Ca2z1 0 0
Si1x1 0 0
Si1y1 -0.0170(4) -0.0178(4)
Si1z1 0 0
O1x1 0.0382(5) -0.0264(5)
O1y1 0.0049(5) -0.0207(5)
O1z1 -0.0365(7) 0.0096(8)

2p5K_average_dyn

Chemical data


Structural Formula Sum: Ca8 O16 Si4 [ Help ]

Formula weight: 689 Da [ Help ]

Absolute configuration: . [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Space group name (H-M): P n m a [ Help ]

Space group name (Hall): -P -2xabc;-2yb;-2zac [ Help ]

Space group nb.: 62 [ Help ]

Symmetry operations of the space group: [ Help ]

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

a: 6.765 Å [ Help ]

b: 5.514 Å [ Help ]

c: 9.25 Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 345.0454 Å3 [ Help ]

Z: 1 [ Help ]

μ: 0 mm-1 [ Help ]

Refinement details


Total nb. of reflections: 1995 [ Help ]

Nb. of observed reflections: 1488 [ Help ]

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

Refinement based on: F [ Help ]

R(obs): 0.0550 [ Help ]

wR(obs): 0.0607 [ Help ]

R(all): 0.0708 [ Help ]

wR(all): 0.0623 [ Help ]

S(all): 2.37 [ Help ]

S(obs): 2.09 [ Help ]

Nb. of reflections: 1995 [ Help ]

Nb. of parameters: 143 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.0001F2) [ Help ]

Δ/σ(max): 0.0417 [ Help ]

Δ/σ(mean): 0.0057 [ Help ]

Extinction method: none [ 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
Ca1 Ca 0.16773(15) 0.75 0.42906(13) Uani 0.0256(5) 4 1 d . . .
Ca2 Ca 0.50905(13) 0.75 0.70488(13) Uani 0.0172(4) 4 1 d . . .
Si1 Si 0.28113(18) 0.25 0.58717(17) Uani 0.0170(6) 4 1 d . . .
O1 O 0.7470(7) 0.4794(8) 0.8050(5) Uani 0.0313(14) 8 0.647(5) d . . .
O2 O 0.4946(5) 0.770(4) 0.4509(4) Uani 0.095(3) 8 0.5 d . . .
O3 O 0.1579(4) 0.3184(9) 0.4389(4) Uani 0.032(2) 8 0.5 d . . .
O1_2 O 0.6761(12) 0.4871(16) 0.8553(12) Uani 0.0313(14) 8 0.353(2) d . . .

ADP components: [ Help ]

Atom site label Atom site symbol U11 U22 U33 U12 U13 U23
Ca1 Ca 0.0156(5) 0.0412(11) 0.0200(8) 0 0.0016(5) 0
Ca2 Ca 0.0114(5) 0.0286(8) 0.0117(6) 0 -0.0009(4) 0
Si1 Si 0.0146(7) 0.0258(13) 0.0106(10) 0 -0.0008(6) 0
O1 O 0.030(2) 0.0249(19) 0.039(3) -0.0082(18) -0.0135(17) 0.0129(19)
O2 O 0.0247(17) 0.239(10) 0.020(2) 0.067(6) 0.0038(14) 0.007(7)
O3 O 0.0181(13) 0.060(6) 0.018(2) 0.0032(17) -0.0090(12) -0.0079(17)
O1_2 O 0.030(2) 0.0249(19) 0.039(3) -0.0082(18) -0.0135(17) 0.0129(19)

2p5K_modulated_dyn

Chemical data


Structural Formula Sum: Ca8 O16 Si4 [ Help ]

Formula weight: 689 Da [ Help ]

Absolute configuration: . [ Help ]

Crystallographic data and experimental details


Crystal system: orthorhombic [ Help ]

Superspace group name: Pnma(α00)0ss [ Help ]

Symmetry operations of the superspace group: [ Help ]

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

a: 6.765 Å [ Help ]

b: 5.514 Å [ Help ]

c: 9.25 Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 90 ° [ Help ]

Volume: 345.0454 Å3 [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.379500 0.000000 0.000000

Z: 1 [ Help ]

Cell measurement temperature: 293 K [ Help ]

μ: 0 mm-1 [ Help ]

Refinement details


Total nb. of reflections: 6997 [ Help ]

Nb. of observed reflections: 3076 [ Help ]

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

Refinement based on: F [ Help ]

R(obs): 0.0964 [ Help ]

wR(obs): 0.0985 [ Help ]

R(all): 0.1694 [ Help ]

wR(all): 0.1049 [ Help ]

S(all): 2.22 [ Help ]

S(obs): 3.14 [ Help ]

Nb. of reflections: 6997 [ Help ]

Nb. of parameters: 129 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Weighting scheme remarks: w=1/(σ2(F)+0.0001F2) [ Help ]

Δ/σ(max): 0.0248 [ Help ]

Δ/σ(mean): 0.0043 [ Help ]

Extinction method: none [ 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
Ca1 Ca 0.49106(12) 0.75 0.20467(11) Uiso 0.0091(2) 4 1 d . . .
Ca2 Ca 0.83234(13) 0.75 -0.07067(11) Uiso 0.0169(3) 4 1 d . . .
Si1 Si 0.21886(16) 0.25 0.41267(15) Uiso 0.0101(3) 4 1 d . . .
O1 O 0.2760(3) 0.4818(4) 0.3217(2) Uiso 0.0278(5) 8 1 d . . .
O2 O 0.6575(3) 0.8153(5) 0.4402(3) Uiso 0.0261(6) 8 0.5 d . . .
O3 O 0.5086(3) 0.8056(5) -0.0482(3) Uiso 0.0270(7) 8 0.5 d . . .

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

Wave vector code q_1
1 1

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
O2 0.496(2) 0.5
O3 0.777(2) 0.5

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

Modulation code Atom site label Displacement axis Wave vector code
Ca1x1 Ca1 x 1
Ca1y1 Ca1 y 1
Ca1z1 Ca1 z 1
Ca2x1 Ca2 x 1
Ca2y1 Ca2 y 1
Ca2z1 Ca2 z 1
Si1x1 Si1 x 1
Si1y1 Si1 y 1
Si1z1 Si1 z 1
O1x1 O1 x 1
O1y1 O1 y 1
O1z1 O1 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Ca1x1 0 0
Ca1y1 -0.0105(4) 0.0274(3)
Ca1z1 0 0
Ca2x1 0 0
Ca2y1 -0.0231(3) -0.0174(4)
Ca2z1 0 0
Si1x1 0 0
Si1y1 0.0209(5) 0.0141(5)
Si1z1 0 0
O1x1 -0.0333(4) 0.0257(4)
O1y1 -0.0025(6) 0.0194(6)
O1z1 -0.0292(3) 0.0106(4)