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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 Help
TitleCrystal structure of Fe2 O (Se O3)2, a new oxoselenite compound with ferric iron in distorted tetrahedral coordination.
AuthorsGiester, G.
ReferenceZeitschrift fuer Kristallographie (1996) 211, 603-606
Link XRef SCOPUS Google
CompoundFe2 O7 Se2 - Diiron(III) oxide bis(selenate(IV)) [A2B2X7] [oP88] [e10 d c] []
Cell6.639(2), 12.839(4), 13.266(4), 90., 90., 90.
PCCN (56) V=1130.77
RemarksR=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
0.250.250.3301
0.250.750.2101
0.030.620.0201
0.010.450.2201
0.020.130.0401
0.020.700.1401
0.190.360.2301
0.790.370.2101
0.020.470.0901
-.010.250.0601
0.820.10-.0301
0.210.13-.0401
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
0.000.000.01-.0000
0.000.010.01-.0000
0.010.000.010.00-.00-.00
0.010.010.01-.00-.000.00
0.010.000.01-.000.000.00
0.000.000.010.00-.000.00
0.010.010.01-.00-.000.00
0.010.020.01-.000.000.00
0.010.000.010.000.000.00
0.010.010.01-.000.00-.00
0.010.010.02-.000.00-.00
0.000.010.010.000.000.00

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