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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
µÛ·ò:лл½»Á÷ 2010-06-01 16:38:30
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*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
zbdfwq5777
ľ³æÖ®Íõ (ÎÄѧ̩¶·)
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paopaomeng(½ð±Ò+2):лл½»Á÷ 2010-05-27 16:53:18
paopaomeng(½ð±Ò+2):лл½»Á÷ 2010-05-27 16:53:18
3Â¥2010-05-27 16:52:37
zhang071536
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4Â¥2010-06-01 14:19:15














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