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*data for   ICSD #20755
Coll Code   20755
Rec  Date   1980/01/01
Mod  Date   2006/04/01
Chem Name   Nickel Chloride Dihydrate
Structured  Ni Cl2 (H2 O)2
Sum         H4 Cl2 Ni1 O2
ANX         AX2Y2
D(calc)     2.59
Title       The electron diffraction structure analysis of Ni Cl2 (H2 O)2 and the
            crystal chemistry of this type compounds
Author(s)   Vainshtein, B.K.
Reference   Zhurnal Fizicheskoi Khimii
            (1952), 26, 1774-1784
            Golden Book of Phase Transitions, Wroclaw
            (2002), 1, 1-123
Unit Cell   6.97(1) 6.90(1) 8.818(12) 90. 91.50(17) 90.
Vol         423.94
Z           4
Space Group I 1 2/m 1
SG Number   12
Cryst Sys   monoclinic
Pearson     mS36
Wyckoff     j i2 g
Red Cell    I  6.533 6.533 6.655 96.084 116.200 116.249 211.969
Trans Red   0.500 -0.500 0.500 / -0.500 -0.500 -0.500 / 0.500 0.500 -0.500
Comments    Atoms shifted by 0 1/4 0 to fit space group setting
            Stable above 220 K (2nd ref., Tomaszewski), below C2/c
            Electron diffraction (single crystal)
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-085-0529
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 72-44
            No R value given in the paper.
            At least one temperature factor missing in the paper.
            Position of 16 Elements of H Are Undetermined.
Atom  #   OX   SITE      x           y           z           SOF      H
Ni   1  +2    4 g   0           0.25        0              1.         0   
Cl   1  -1    4 i   0.24        0           0.04           1.         0   
Cl   2  -1    4 i   0.245       0.5         0.003          1.         0   
O    1  -2    8 j   -.014       0.274       0.23           1.         0   
*end for    ICSD #20755
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