Crystallization of the chalcogenide compound Sb8Te3

Authors:

Kifune, Kouichi; Fujita, Tomoko; Kubota, Yoshiki; Yamada, Noboru; Matsunaga, Toshiyuki

Journal:

Acta Crystallographica, Section B 67 381-385 (2011)

DOI:

https://doi.org/10.1107/S0108768111033738

B-IncStrDB ID: RIjBCnrZMoU Entry date: 2022-01-19 Last revision: 2022-01-19

(I)

Chemical data


Structural Formula Sum: Sb8 Te3 [ Help ]

Formula weight: 1356.8 Da [ Help ]

Crystallographic data and experimental details


Crystal system: trigonal [ Help ]

Superspace group name: R-3m(00γ) [ Help ]

Symmetry operations of the superspace group: [ Help ]

Operation code Operation in algebraic form
1 x1,x2,x3,x4
2 -x2,x1-x2,x3,x4
3 -x2,-x1,x3,x4
4 -x1+x2,-x1,x3,x4
5 x1,x1-x2,x3,x4
6 -x1+x2,x2,x3,x4
7 -x1,-x2,-x3,-x4
8 x2,-x1+x2,-x3,-x4
9 x2,x1,-x3,-x4
10 x1-x2,x1,-x3,-x4
11 -x1,-x1+x2,-x3,-x4
12 x1-x2,-x2,-x3,-x4
13 2/3+x1,1/3+x2,1/3+x3,x4
14 2/3-x2,1/3+x1-x2,1/3+x3,x4
15 2/3-x2,1/3-x1,1/3+x3,x4
16 2/3-x1+x2,1/3-x1,1/3+x3,x4
17 2/3+x1,1/3+x1-x2,1/3+x3,x4
18 2/3-x1+x2,1/3+x2,1/3+x3,x4
19 2/3-x1,1/3-x2,1/3-x3,-x4
20 2/3+x2,1/3-x1+x2,1/3-x3,-x4
21 2/3+x2,1/3+x1,1/3-x3,-x4
22 2/3+x1-x2,1/3+x1,1/3-x3,-x4
23 2/3-x1,1/3-x1+x2,1/3-x3,-x4
24 2/3+x1-x2,1/3-x2,1/3-x3,-x4
25 1/3+x1,2/3+x2,2/3+x3,x4
26 1/3-x2,2/3+x1-x2,2/3+x3,x4
27 1/3-x2,2/3-x1,2/3+x3,x4
28 1/3-x1+x2,2/3-x1,2/3+x3,x4
29 1/3+x1,2/3+x1-x2,2/3+x3,x4
30 1/3-x1+x2,2/3+x2,2/3+x3,x4
31 1/3-x1,2/3-x2,2/3-x3,-x4
32 1/3+x2,2/3-x1+x2,2/3-x3,-x4
33 1/3+x2,2/3+x1,2/3-x3,-x4
34 1/3+x1-x2,2/3+x1,2/3-x3,-x4
35 1/3-x1,2/3-x1+x2,2/3-x3,-x4
36 1/3+x1-x2,2/3-x2,2/3-x3,-x4

a: 4.3134 Å [ Help ]

b: 4.3134 Å [ Help ]

c: 5.8658 Å [ Help ]

α: 90 ° [ Help ]

β: 90 ° [ Help ]

γ: 120 ° [ Help ]

Volume: 94.51228 Å3 [ Help ]

Z: 1 [ Help ]

Cell measurement temperature: 831 K [ Help ]

Modulation dimension: 1 [ Help ]

Measured independent wave vectors: [ Help ]

Wave vector id q_x q_y q_z
1 0.00000 0.00000 1.63774

μ: 18.433 mm-1 [ Help ]

Absorption correction remarks: (Jana2000; Petricek, Dusek & Palatinus, 2000) [ Help ]

Refinement details


R(all): 0.0621 [ Help ]

R(obs): 0.0560 [ Help ]

wR(obs): 0.0257 [ Help ]

wR(all): 0.0260 [ Help ]

Nb. of parameters: 51 [ Help ]

Number of restraints: 0 [ Help ]

Number of constraints: 0 [ Help ]

Weighting scheme: sigma [ Help ]

Δ/σ(max): 0.4812 [ Help ]

Δ/σ(mean): 0.0224 [ Help ]

Extinction method: none [ Help ]

Structural Information


Average Structure: [ Help ]

Atom symbol Atom site label x y z Uiso/equiv ADP type Coords from (d)iffraction or (c)alculated Coords restraints or constraints Occupancy Symmetry multiplicity Disordered cluster Disordered group
Sb Sb1 0 0 0 0.0551(4) Uiso d . 0.724 3 . .
Te Te1 0 0 0 0.0294(5) Uiso d . 0.276 3 . .

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

Wave vector code q_x q_z
1 0.00000 1.63774

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

Modulation code Atom site label Displacement axis Wave vector code
Sb1x1 Sb1 x 1
Sb1y1 Sb1 y 1
Sb1z1 Sb1 z 1
Te1x1 Te1 x 1
Te1y1 Te1 y 1
Te1z1 Te1 z 1

Displacive (translational) Fourier coefficients: [ Help ]

Modulation code Cosine coefficient Sine coefficient
Sb1x1 0 0
Sb1y1 0 0
Sb1z1 0 -0.0427(3)
Te1x1 0 0
Te1y1 0 0
Te1z1 0 -0.0327(16)

Occupation crenel coefficients: [ Help ]

Atom site label Center (x0) Width
Sb1 0.5 0.727
Te1 0 0.273