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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
Synthesis, crystal structure and properties of a new iron phosphate Fe2(3+)Fe5(2+)(P2O7)4..
Authors
Genkina, E.A.;Maksimov, B.A.;Zvereva, O.V.;Mininzon, Yu.M.;Lyubutin, I.S.;Luchko, S.V.;Yakovlev, V.V.
Reference
Kristallografiya (1992)
37
, 116-117
Link
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Compound
Fe7 O28 P8
- Diiron(III) pentairon tetrakis(diphosphate)
[
A2B5C8X28
] [
oS172
] [
c20 b a2
] [
]
Cell
8.451, 9.691, 23.626, 90., 90., 90.
C2221 (20)
V=1934.94
Remarks
R=0.031000 : M =Fe :
Calculated density unusual but tolerable.
Atom (site) Oxid.
x, y, z, B, Occupancy
Fe1
(4a)
3
Fe2
(4a)
3
Fe3
(8c)
2
Fe4
(8c)
2
Fe5
(4b)
2
P1
(8c)
5
P2
(8c)
5
P3
(8c)
5
P4
(8c)
5
O1
(8c)
-2
O2
(8c)
-2
O3
(8c)
-2
O4
(8c)
-2
O5
(8c)
-2
O6
(8c)
-2
O7
(8c)
-2
O8
(8c)
-2
O9
(8c)
-2
O10
(8c)
-2
O11
(8c)
-2
O12
(8c)
-2
O13
(8c)
-2
O14
(8c)
-2
0.42
0.5
0.5
0.94
1
0.31
0
0.5
0.75
1
0.43
0.15
0.37
0.46
1
0.17
0.14
0.13
0.77
1
0
0.27
0.25
0.67
1
0.10
0.29
0.50
0.61
1
0.37
0.44
0.12
0.53
1
0.11
0.35
0.38
0.56
1
0.25
0.03
0.26
0.66
1
0.37
0.28
0.12
0.92
1
0.11
0.13
0.50
0.71
1
0.22
0.49
0.09
0.84
1
0.46
0.14
0.46
0.88
1
0.37
0.50
0.18
1.06
1
0.16
0.12
0.22
0.90
1
0.38
0.11
0.29
1.4(
1
-.00
0.28
0.34
0.93
1
0.27
0.29
0.37
1.09
1
0.48
0.51
0.40
0.81
1
0.23
0.14
0.02
1.27
1
0.18
0.40
0.25
1.29
1
0.05
0.34
0.44
1.39
1
0.37
0.01
0.12
0.71
1
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