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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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Title
Structural investigation and luminescence properties of the Ce3 (SiS4)2 X (X = Cl, Br, I) family and the La3-x Cex (Si S4)2 I (0
Authors
Riccardi, R.;Gout, D.;Gauthier, G.;Guillen, F.;Jobic, S.;Garcia, A.;Huguenin, D.;Macaudiere, P.;Fouassier, C.;Brec, R.
Reference
IC&volume=147&fpage=259&details=yes target=icsd_help>Journal of Solid State Chemistry (1999)
147
, 259-268
Link
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Compound
Ce0.2 I1 La2.8 S8 Si2
- Lanthanum cerium tetrathiosilicate iodide (2.8/0.2/2/1)
[
A2B3XY8
] [
mS56
] [
f6 e2
] [
]
Cell
16.0800(10), 7.9054(7), 10.924(1), 90., 97.955(5), 90.
C12/C1 (15)
V=1375.28
Remarks
R=0.025000 : X
The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct.
Atom (site) Oxid.
x, y, z, B, Occupancy
Ce1
(8f)
3
La1
(8f)
3
Ce2
(4e)
3
La2
(4e)
3
I1
(4e)
-1
Si1
(8f)
4
S1
(8f)
-2
S2
(8f)
-2
S3
(8f)
-2
S4
(8f)
-2
0.19
0.12
0.68
0.9(
0.06
0.19
0.12
0.68
0.9(
0.93
0.5
0.10
0.75
1.4(
0.06
0.5
0.10
0.75
1.4(
0.93
0
0.98
0.25
1.9(
1
0.15
0.44
0.02
0.6(
1
0.15
0.26
0.12
0.39
1
0.27
0.55
0.05
0.39
1
0.06
0.64
0.04
0.39
1
0.15
0.39
0.84
0.39
1
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