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茯苓草銅蟲 (小有名氣)
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[求助]
求Ca5Si2O8F2的CIF文件
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求Ca5Si2O8F2的CIF文件,我在數(shù)據(jù)庫里只找到Ca10 (Si O4)3 (S O4)3 F2的CIF文件,也就是兩個SO4基團占據(jù)一個SiO4的位置,麻煩哪位高手幫忙找一下,或幫我替換一下,謝謝!~ 附件是Ca10 (Si O4)3 (S O4)3 F2的CIF文件 |
銅蟲 (小有名氣)
鐵桿木蟲 (職業(yè)作家)
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你找的Ca10 (Si O4)3 (S O4)3 F2和Ca5Si2O8F2完全不是一回事兒,怎么能替換呢?你試試下面這個吧。 *data for ICSD #31275 Coll Code 31275 Rec Date 1983/12/31 Mod Date 1999/01/19 Chem Name Pentacalcium Bis(silicate) Hydroxide Fluoride Structured Ca5 (Si O4)2 (O H) F Sum H1 Ca5 F1 O9 Si2 ANX A2B5X2Y8 Min Name Reinhardbraunsite, fluorian D(calc) 2.88 Title The crystal structure of reinhardbraunsite, Ca5 (Si O4)2 (OH, F)2 new mineral of the calcio-chondrodite type Author(s) Kirfel, A.;Hamm, H.M.;Will, G. Reference TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) (1983), 31, 137-150 Unit Cell 11.458(2) 5.052(1) 8.840(2) 90. 108.91(1) 90. Vol 484.09 Z 2 Space Group P 1 21/a 1 SG Number 14 Cryst Sys monoclinic Pearson mP36 Wyckoff e8 b R Value .028 Red Cell P 5.052 8.84 11.458 108.91 89.999 89.999 484.093 Trans Red 0.000 1.000 0.000 / 0.000 0.000 -1.000 / -1.000 0.000 0.000 Comments Total SOF on at least one site differs from unity (SOF < 0.997 resp. SOF > 1.003) Compound with mineral name: Reinhardbraunsite, fluorian The structure has been assigned a PDF number (calculated powder diffraction data): 01-075-1709 The structure has been assigned a PDF number (experimental powder diffraction data): 37-414 X-ray diffraction from single crystal Unusual difference between calculated and measured density Atom # OX SITE x y z SOF H ITF(B) Ca 1 +2 2 b 0.5 0 0.5 1. 0 0 Ca 2 +2 4 e 0.16945(5) 0.00424(16) 0.30907(6) 1. 0 0 Ca 3 +2 4 e 0.38147(5) 0.00820(15) 0.07791(6) 1. 0 0 Si 1 +4 4 e 0.35374(8) 0.57477(17) 0.29738(10) 1. 0 0 O 1 -2 4 e 0.48484(20) 0.70353(47) 0.29287(26) 1. 0 0 O 2 -2 4 e 0.24725(20) 0.70627(48) 0.14380(25) 1. 0 0 O 3 -2 4 e 0.33012(20) 0.70479(46) 0.45571(25) 1. 0 0 O 4 -2 4 e 0.35234(21) 0.25310(45) 0.29631(27) 1. 0 0 O 5 -2 4 e 0.05421(44) 0.2532(11) 0.09575(59) 0.5 0 0 F 1 -1 4 e 0.05421(44) 0.2532(11) 0.09575(59) 0.5 0 0 H 1 +1 4 e 0.021(11) 0.169(25) 0.042(13) 0.5 0 0.43 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 Ca1 Ca2+ 0.00131(5) 0.00515(25) 0.00190(8) 0 0.00014(5) 0 Ca2 Ca2+ 0.00108(3) 0.00569(17) 0.00194(6) 0.00040(9) 0.00055(4) 0.00026(12) Ca3 Ca2+ 0.00138(4) 0.00595(18) 0.00165(6) -.00007(10) 0.00052(4) 0.00023(12) Si1 Si4+ 0.00102(5) 0.00350(27) 0.00147(9) -.00008(1) 0.00036(6) -.00015(13) O1 O2- 0.00114(6) 0.00712(81) 0.00276(26) -.00031(31) 0.00075(17) -.00046(38) O2 O2- 0.00135(16) 0.00734(81) 0.00209(25) 0.00040(31) 0.00031(17) 0.00073(37) O3 O2- 0.00164(16) 0.00596(78) 0.00217(25) 0.00004(31) 0.00077(17) 0.00024(38) O4 O2- 0.00166(16) 0.00552(79) 0.00286(27) 0.00092(35) 0.00074(18) 0.00048(40) O5 O2- 0.00171(33) 0.0150(21) 0.00490(61) 0.00142(73) 0.00151(38) 0.00532(95) F1 F1- 0.00263(35) 0.0181(21) 0.00548(60) 0.00238(76) 0.00149(40) 0.00591(99) *end for ICSD #31275 |
鐵桿木蟲 (職業(yè)作家)
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