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asus1984

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asus1984(½ð±Ò+10):лл 2010-05-27 16:54:28
µÛ·ò:лл½»Á÷ 2010-06-01 16:38:30
*data for   ICSD #9119
Coll Code   9119
Rec  Date   1980/01/01
Mod  Date   2006/04/01
Chem Name   Iron Silicide (1/2) - Beta
Structured  Fe Si2
Sum         Fe1 Si2
ANX         NO2
D(calc)     4.94
Title       Structure cristalline du disilicure de fer, Fe Si2 beta
Author(s)   Dusausoy, Y.;Protas, J.
Reference   Acta Crystallographica B (24,1968-38,1982)
            (1971), 27, 1209-1218
            Golden Book of Phase Transitions, Wroclaw
            (2002), 1, 1-123
Unit Cell   9.863(7) 7.791(6) 7.833(6) 90. 90. 90.
Vol         601.91
Z           16
Space Group C m c a
SG Number   64
Cryst Sys   orthorhombic
Pearson     oS48
Wyckoff     g2 f d
R Value     .043
Red Cell    C  6.284 6.284 7.833 89.999 89.999 103.388 300.954
Trans Red   -0.500 0.500 0.000 / 0.500 0.500 0.000 / 0.000 0.000 -1.000
Comments    Stable up to 1223 K (2nd ref., Tomaszewski), above P4/mmm
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-071-0642
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 20-532
            Structure type : FeSi2(oS48)
            X-ray diffraction from single crystal
            At least one temperature factor is implausible or
            meaningless but agrees with the value given in the paper.
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(B)   
Fe   1  +0    8 d   0.2146(2)   0           0              1.         0          0.1154
Fe   2  +0    8 f   0.5         0.3086(2)   0.1851(2)      1.         0          0.1342
Si   1  +0    16 g  0.1282(2)   0.2746(3)   0.0512(4)      1.         0          0.3014
Si   2  +0    16 g  0.3727(2)   0.0450(3)   0.2261(3)      1.         0          0.3828
*end for    ICSD #9119
2Â¥2010-05-27 16:52:08
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paopaomeng(½ð±Ò+2):лл½»Á÷ 2010-05-27 16:53:18
3Â¥2010-05-27 16:52:37
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