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*data for   ICSD #15879
CopyRight   ?2008 by Fachinformationszentrum Karlsruhe, and the U.S. Secretary of
            Commerce on behalf of the United States.  All rights reserved.
Coll Code   15879
Rec  Date   1980/01/01
Mod  Date   2007/08/01
Chem Name   Calcium Carbonate
Structured  Ca (C O3)
Sum         C1 Ca1 O3
ANX         ABX3
Min Name    Vaterite
D(calc)     2.65
Title       On the structure of vaterite, Ca C O3
Author(s)   Kamhi, S.R.
Reference   Acta Crystallographica (1,1948-23,1967)
            (1963), 16, 770-772
Unit Cell   4.13(1) 4.13(1) 8.49(2) 90. 90. 120.
Vol         125.41
Z           2
Space Group P 63/m m c
SG Number   194
Cryst Sys   hexagonal
Pearson     hP10
Wyckoff     k h2 a
R Value     .16
Red Cell    P  4.13 4.13 8.49 90 90 119.999 125.412
Trans Red   1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000
Comments    6-fold true cell: 7.16, 16.98
            Compound with mineral name: Vaterite
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-072-0506
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 33-268
            X-ray diffraction from single crystal
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(B)   
Ca   1  +2    2 a   0           0           0              1.         0             6.8
C    1  +4    6 h   0.29        0.58        0.25           0.33       0             6.8
O    1  -2    6 h   0.12(2)     0.24(2)     0.25           0.33       0             6.8
O    2  -2    12 k  0.38(1)     0.76(1)     0.12           0.33       0             6.8
*end for    ICSD #15879

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