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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***.
CC=77718
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Title
An anomaly in the hydrogen-bond system in mixed deuterated magnesium-iron fluosilicates.
Authors
Chevrier, G.
Reference
IC&volume=111&fpage=322&details=yes target=icsd_help>Journal of Solid State Chemistry (1994)
111
, 322-329
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Compound
D12 F6 Fe0.17 Mg0.83 O6 Si1
- Magnesium iron hexafluorosilicate dideuteriohydrate (0.83/0.17/1/6)
[
ABX6Y6
] [
hR26
] [
f4 b a
] [
]
Cell
9.567(10), 9.567(10), 9.717(12), 90., 90., 120.
R3-H (148)
V=770.22
Remarks
R=0.083000 : N P =1-248 : T =296 :
Space group was wrongly given as P3-
PDF 1-248 (Mg Si F6 6(H2 O))
Crystal B, refined with unconstrained position of D2, cp. 77718
Atom (site) Oxid.
x, y, z, B, Occupancy
Mg1
(3a)
2
Fe1
(3a)
2
Si1
(3b)
4
F1
(18f)
-1
O1
(18f)
-2
D1
(18f)
1
D2
(18f)
1
0
0
0
1.62
0.83
0
0
0
1.62
0.17
0
0
0.5
1.52
1
0.86
0.84
0.39
2.65
1
0.06
0.19
0.12
3.26
1
0.03
0.18
0.21
4.26
1
0.15
0.30
0.10
4.75
1
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