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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=42121
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Title
The crystal structure of Ru2 Ge3.
Authors
Voellenkle, H.
Reference
Monatshefte fuer Chemie (1974)
105
, 121-122
Link
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Also:
Phase Transition (1992)
38
, 127-220
Link
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Compound
Ge3 Ru2
- Ruthenium germanide (2/3)
[
N2O3
] [
oP40
] [
d4 c2
] [
]
Cell
5.718(4), 11.436(8), 9.240(6), 90., 90., 90.
PNCA (60)
V=604.21
Remarks
R=0.091000 : P =30-594 : T
At least one temperature factor missing in the paper.
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.
Cell of Ru2Si3: 5.537, 11.074, 8.954, Os2Si3: 5.579, 11.158, 8.
Cell of Ir(Ga.6 Ge.4)3: 5.722, 11.444, 9.360
PDF 30-594, 82-803
After 2nd ref. (Tomaszewski) a HT-form exists in P4-c2
Atoms shifted by 1/4 1/4 0 to fit space group setting
Atom (site) Oxid.
x, y, z, B, Occupancy
Ru1
(4c)
0
Ru2
(4c)
0
Ru3
(8d)
0
Ge1
(8d)
0
Ge2
(8d)
0
Ge3
(8d)
0
0.25
0.5
0.93
0
1
0.25
0.5
0.45
0
1
0.25
0.24
0.81
0
1
0.41
0.32
0.56
0
1
0.53
0.42
0.27
0
1
0.60
0.36
0.90
0
1
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