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gamma Al2O3 structure

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*data for   ICSD #95302
Coll Code   95302
Rec  Date   2003/10/01
Chem Name   Aluminium Oxide (2.67/4) - Gamma
Structured  (Al2 O3)1.333
Sum         Al2.666 O3.999
ANX         A21X32
Min Name    Alumina
D(calc)     3.68
Title       Theoretical structure determination of gamma-(Al2 O3)
Author(s)   Gutierrez, G.;Taga, A.;Johansson, B.
Reference   Physical Review, Serie 3. B - Condensed Matter (18,1978-)
            (2001), 65, 0121011-0121014
Unit Cell   7.887 7.887 7.887 90 90 90
Vol         490.61
Z           8
Space Group F d -3 m Z
SG Number   227
Cryst Sys   cubic
Pearson     cF53
Wyckoff     e d a
Red Cell    F  5.576 5.576 5.576 60 60 60 122.652
Trans Red   0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500
Comments    Total SOF on at least one site differs from unity (SOF <
            0.997 resp. SOF > 1.003)
            Compound with mineral name: Alumina
            Modulated structure
            Structure calculated theoretically
            No R value given in the paper.
            At least one temperature factor missing in the paper.
Atom  #   OX   SITE      x           y           z           SOF      H
Al   1  +3    8 a   0.125       0.125       0.125          1.         0   
Al   2  +3    16 d  0.5         0.5         0.5            0.8333     0   
O    1  -2    32 e  0.255       0.255       0.255          1.         0   
*end for    ICSD #95302
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