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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=62374
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Title
Crystal structure and phase transitions in Mn Ti F6 * 6 H2 O and Zn Ti F6 * 6 H2 O.
Authors
Chattopadhyay, T.K.;Devreux, F.;Peters, K.;Gmelin, E.;Ghosh, B.
Reference
IC&volume=21&fpage=132&details=yes target=icsd_help>Journal of Physics C (1988)
21
, 132-133
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Also:
Phase Transition (1992)
38
, 127-220
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Compound
H12 F6 Mn1 O6 Ti1
- Manganese hexafluorotitanate hexahydrate
[
ABX6Y6
] [
hR26
] [
f2 b a
] [
]
Cell
9.708(1), 9.708(1), 10.058(1), 90., 90., 120.
R3-H (148)
V=820.92
Remarks
R=0.042000 : P =25-554 :
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.
Stable above 250 K (2nd ref., Tomaszewski), below tricl.
Atom (site) Oxid.
x, y, z, B, Occupancy
Mn1
(3a)
2
Ti1
(3b)
4
F1
(18f)
-1
O1
(18f)
-2
H1
(18f)
1
H2
(18f)
1
0
0
0
0
1
0
0
0.5
0
1
-.13
-.16
0.39
0
1
0.01
0.18
0.12
0
1
0.06
0.27
0.10
0.08
1
0.00
0.18
0.18
0.08
1
Atom (site) Oxid.
U11, U22, U33, U12, U13, U23
Mn1
(3a)
2
Ti1
(3b)
4
F1
(18f)
-1
O1
(18f)
-2
H1
(18f)
1
H2
(18f)
1
0.03
0.03
0.02
0.01
0
0
0.03
0.03
0.02
0.01
0
0
0.09
0.04
0.03
0.00
-0.0
-0.0
0.08
0.03
0.03
0.02
0.01
-0.0
0
0
0
0
0
0
0
0
0
0
0
0
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