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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=52736 Help
TitleThe crystal structure of the phases in the systems Bi-Se, Bi-Te and Sb-Te.
AuthorsImamov, P.M.;Semiletov, S.A.
ReferenceKristallografiya (1971) 15, 972-978
Link XRef SCOPUS Google
CompoundBi8 Se7 - Bismuth selenide (8/7) [A8X7] [hP45] [d15 c7 a] []
Cell4.22, 4.22, 85.65, 90., 90., 120.
P3-M1 (164) V=1320.94
RemarksR=0.125000 :
At least one temperature factor missing in the paper.
The lattice Parameters are unusual but agree with the paper.
Cell of Bi8 Te7: 4.45, 91.08
45-layer structure, Bi1-Bi6 too short (2.68)

Atom (site) Oxid. x, y, z, B, Occupancy
Bi1(2c)1.75
Bi2(2c)1.75
Bi3(2c)1.75
Bi4(2c)1.75
Bi5(2d)1.75
Bi6(2d)1.75
Bi7(2d)1.75
Bi8(2d)1.75
Bi9(2d)1.75
Bi10(2d)1.75
Bi11(2d)1.75
Bi12(2d)1.75
Se1(1a)-2
Se2(2c)-2
Se3(2c)-2
Se4(2c)-2
Se5(2d)-2
Se6(2d)-2
Se7(2d)-2
Se8(2d)-2
Se9(2d)-2
Se10(2d)-2
Se11(2d)-2
000.0601
000.1301
000.3301
000.401
0.330.660.0201
0.330.660.0801
0.330.660.2801
0.330.660.3501
0.330.660.4801
0.330.660.5501
0.330.660.7501
0.330.660.8201
00001
000.201
000.2601
000.4601
0.330.660.1501
0.330.660.2201
0.330.660.4201
0.330.660.6201
0.330.660.6901
0.330.660.8801
0.330.660.9501

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