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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=93721
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Title
Ab initio structure determination of lanthanum cyclo-tetratungstate alpha-(La2 W2 O9) from X-ray and neutron powder diffraction.
Authors
Laligant, Y.;LeBail, A.;Goutenoire, F.
Reference
IC&volume=159&fpage=223&details=yes target=icsd_help>Journal of Solid State Chemistry (2001)
159
, 223-227
Link
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Compound
La2 O9 W2
- Dilanthanum ditungstate - alpha
[
A2B2X9
] [
aP26
] [
i13
] [
]
Cell
7.2489(1), 7.2878(1), 7.0435(1), 96.367(1), 94.715(1), 70.286(1)
P1- (2)
V=347.73
Remarks
R=0.030000 : X N
Atom (site) Oxid.
x, y, z, B, Occupancy
La1
(2i)
3
La2
(2i)
3
W1
(2i)
6
W2
(2i)
6
O1
(2i)
-2
O2
(2i)
-2
O3
(2i)
-2
O4
(2i)
-2
O5
(2i)
-2
O6
(2i)
-2
O7
(2i)
-2
O8
(2i)
-2
O9
(2i)
-2
0.84
0.74
0.15
0.33
1
0.58
0.72
0.62
0.57
1
0.64
0.20
0.84
0.52
1
-0.0
0.27
0.27
0.41
1
0.19
0.90
0.72
0.85
1
0.09
0.41
0.18
0.59
1
0.46
0.29
0.02
0.72
1
0.19
0.05
0.14
0.78
1
0.47
0.09
0.68
0.48
1
0.25
0.50
0.65
0.76
1
0.09
0.22
0.49
0.93
1
0.15
0.71
0.01
0.61
1
0.35
0.64
0.34
0.76
1
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