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*data for   ICSD #15535
Coll Code   15535
Rec  Date   1981/12/31
Mod  Date   2003/10/01
Chem Name   Dioxygen - Beta
Structured  O2
Sum         O2
ANX         N
D(calc)     2.22
Title       Structure of O2 at 5*5 GPa and 299K
Author(s)   Schiferl, D.;Cromer, D.T.;Mills, R.L.
Reference   Acta Crystallographica B (24,1968-38,1982)
            (1981), 37, 1329-1332
            Phase Transition
            (1992), 38, 127-220
Unit Cell   2.8467(2) 2.8467 10.2249(8) 90. 90. 120.
Vol         71.76
Z           3
Space Group R -3 m H
SG Number   166
Cryst Sys   trigonal/rhombohedral
Pearson     hR2
Wyckoff     c
R Value     .05
Red Cell    RH 2.846 2.846 3.783 67.903 67.903 60 23.919
Trans Red   0.000 1.000 0.000 / 1.000 1.000 0.000 / 0.333 0.667 -0.333
Comments    At ambient pressure stable from 24 to 44 K (2nd ref.,
            Tomaszewski)
            PDF 38-902 (at 7.4 GPa, 298 K)
            The structure has been assigned a PDF number: 38-902
            Pressure in MPa: 5500
            Temperature in Kelvin: 299
Atom  #   OX   SITE      x           y           z           SOF      H
O    1  +0    6 c   0           0           0.0577(2)      1.         0   
Lbl  Type   Beta11      Beta22      Beta33      Beta12      Beta13      Beta23
O1   O0+  0.1647(7)   0.1647      0.0055(3)   0.08235     0           0           
*end for    ICSD #15535
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