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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=83344
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Title
Crystal structure of Fe2 O (Se O3)2, a new oxoselenite compound with ferric iron in distorted tetrahedral coordination.
Authors
Giester, G.
Reference
Zeitschrift fuer Kristallographie (1996)
211
, 603-606
Link
XRef
SCOPUS
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Compound
Fe2 O7 Se2
- Diiron(III) oxide bis(selenate(IV))
[
A2B2X7
] [
oP88
] [
e10 d c
] [
]
Cell
6.639(2), 12.839(4), 13.266(4), 90., 90., 90.
PCCN (56)
V=1130.77
Remarks
R=0.031000 : T =295 :
Atom (site) Oxid.
x, y, z, B, Occupancy
Fe1
(4c)
3
Fe2
(4d)
3
Fe3
(8e)
3
Se1
(8e)
4
Se2
(8e)
4
O1
(8e)
-2
O2
(8e)
-2
O3
(8e)
-2
O4
(8e)
-2
O5
(8e)
-2
O6
(8e)
-2
O7
(8e)
-2
0.25
0.25
0.33
0
1
0.25
0.75
0.21
0
1
0.03
0.62
0.02
0
1
0.01
0.45
0.22
0
1
0.02
0.13
0.04
0
1
0.02
0.70
0.14
0
1
0.19
0.36
0.23
0
1
0.79
0.37
0.21
0
1
0.02
0.47
0.09
0
1
-.01
0.25
0.06
0
1
0.82
0.10
-.03
0
1
0.21
0.13
-.04
0
1
Atom (site) Oxid.
U11, U22, U33, U12, U13, U23
Fe1
(4c)
3
Fe2
(4d)
3
Fe3
(8e)
3
Se1
(8e)
4
Se2
(8e)
4
O1
(8e)
-2
O2
(8e)
-2
O3
(8e)
-2
O4
(8e)
-2
O5
(8e)
-2
O6
(8e)
-2
O7
(8e)
-2
0.00
0.00
0.01
-.00
0
0
0.00
0.01
0.01
-.00
0
0
0.01
0.00
0.01
0.00
-.00
-.00
0.01
0.01
0.01
-.00
-.00
0.00
0.01
0.00
0.01
-.00
0.00
0.00
0.00
0.00
0.01
0.00
-.00
0.00
0.01
0.01
0.01
-.00
-.00
0.00
0.01
0.02
0.01
-.00
0.00
0.00
0.01
0.00
0.01
0.00
0.00
0.00
0.01
0.01
0.01
-.00
0.00
-.00
0.01
0.01
0.02
-.00
0.00
-.00
0.00
0.01
0.01
0.00
0.00
0.00
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