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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=66885
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Title
The thermal expansion of Sc Al O3 - a silicate perovskite analogue.
Authors
Hill, R.J.;Jackson, I.
Reference
Physics and Chemistry of Minerals (1990)
17
, 89-96
Link
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Compound
Al1 O3 Sc1
-
[Perovskite]
Scandium aluminate
[
ABX3
] [
oP20
] [
d c2 b
] [
]
Cell
4.9767(2), 5.2584(2), 7.2604(2), 90., 90., 90.
PBNM (62)
V=190.
Remarks
R=0.037000 : T =1073 : X M =Perovskite :
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.
For RT data cp. 66883
Atom (site) Oxid.
x, y, z, B, Occupancy
Sc1
(4c)
3
Al1
(4b)
3
O1
(4c)
-2
O2
(8d)
-2
0.97
0.06
0.25
0.68
1
0
0.5
0
0.09
1
0.12
0.44
0.25
0.36
1
0.69
0.30
0.06
-.40
1
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