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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=62568
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Title
Temperature dependence of disorder of nitrite ions in Ag Na (N O2)2..
Authors
Ishihara, M.;Ohba, S.;Saito, Y.
Reference
IC&volume=43&fpage=160&details=yes target=icsd_help>Acta Crystallographica B (1987)
43
, 160-164
Link
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Compound
Ag1 N2 Na1 O4
- Silver sodium dinitrite - ferroelectric
[
ABC2X4
] [
oF64
] [
b4 a6
] [
]
Cell
8.038(2), 10.742(3), 10.763(2), 90., 90., 90.
FD2D (43)
V=929.32
Remarks
R=0.022000 : T =308 : D
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.
Atom (site) Oxid.
x, y, z, B, Occupancy
Ag1
(8a)
1
Na1
(8a)
1
N1
(8a)
3
N2
(8a)
3
N3
(8a)
3
N4
(8a)
3
O1
(16b)
-2
O2
(16b)
-2
O3
(16b)
-2
O4
(16b)
-2
0
0
0
3.8(
1
0
0.50
0
3.0(
1
0
0.19
0
2.4(
0.49
0
0.26
0
2.4(
0.50
0
0.72
0
2.8(
0.95
0
0.78
0
2.8(
0.04
-.05
0.25
0.09
3.9(
0.49
-.05
0.19
0.09
3.9(
0.50
0.04
0.79
0.08
3.6(
0.95
0.04
0.72
0.08
3.6(
0.04
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