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*data for   ICSD #39005
Coll Code   39005
Rec  Date   1986/04/14
Chem Name   Calcium Silicate - Gamma
Structured  Ca2 Si O4
Sum         Ca2 O4 Si1
ANX         AB2X4
D(calc)     2.96
Title       Crystal structure of Modifications of calcium silicate Ca2 Si O4 and
            their phase transformation
Author(s)   Udagawa, S.;Urabe, K.
Reference   Semento Hijutsu Nempo
            (1978), 32, 35-38
Unit Cell   5.08 11.22 6.78 90. 90. 90.
Vol         386.44
Z           4
Space Group P b n m
SG Number   62
Cryst Sys   orthorhombic
Pearson     oP28
Wyckoff     d c4 a
R Value     .037
Red Cell    P  5.08 6.78 11.22 89.999 89.999 90 386.444
Trans Red   1.000 0.000 0.000 / 0.000 0.000 1.000 / 0.000 -1.000 0.000
Comments    At least one temperature factor missing in the paper.
Atom  #   OX   SITE      x           y           z           SOF      H
Ca   1  +2    4 a   0           0           0              1.         0   
Ca   2  +2    4 c   -.0099(3)   0.2809(1)   0.25           1.         0   
Si   1  +4    4 c   0.4275(4)   0.0966(2)   0.25           1.         0   
O    1  -2    4 c   -.2543(9)   0.0937(4)   0.25           1.         0   
O    2  -2    4 c   0.2974(9)   -.0384(4)   0.25           1.         0   
O    3  -2    8 d   0.2985(6)   0.1624(3)   0.0575(5)      1.         0   
*end for    ICSD #39005
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