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liujie1003銀蟲(chóng) (小有名氣)
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[交流]
【求助】Nb2O5晶體結(jié)構(gòu)數(shù)據(jù) 已有5人參與
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| 誰(shuí)有Nb2O5晶體結(jié)構(gòu)數(shù)據(jù),就是在MS中可以打開(kāi)的 |
榮譽(yù)版主 (著名寫(xiě)手)
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幫你查了下ICSD,Nb2O5結(jié)構(gòu)有很多。卡片號(hào)分別為29、16605、17027、16802、25765、71317、51176、25750 選了一個(gè)數(shù)據(jù),手動(dòng)建模即可! *data for ICSD #17027 Coll Code 17027 Rec Date 1986/09/25 Mod Date 2006/04/01 Chem Name Niobium Oxide - Ht Structured Nb2 O5 Sum Nb2 O5 ANX A2X5 D(calc) 4.41 Title Ueber die Kristallstruktur von M - Nb2 O5 Author(s) Martin, W.;Andersson, S.;Gruehn, R. Reference Journal of Solid State Chemistry (1970), 1, 419-424 Golden Book of Phase Transitions, Wroclaw (2002), 1, 1-123 Unit Cell 20.44 20.44 3.832 90. 90. 90. Vol 1600.99 Z 16 Space Group I 4/m m m SG Number 139 Cryst Sys tetragonal Pearson tI112 Wyckoff l4 j2 i2 h2 R Value .157 Red Cell I 3.832 14.579 14.579 89.010 82.448 82.448 800.493 Trans Red 0.000 0.000 1.000 / -0.500 -0.500 0.500 / 0.500 -0.500 0.500 Comments Stable from 1073 to 1373 K (2nd ref., Tomaszewski), above P2 The structure has been assigned a PDF number (experimental powder diffraction data): 72-1484 X-ray diffraction from single crystal At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Nb 1 +5 8 i 0.1294(6) 0 0 1. 0 Nb 2 +5 8 i 0.4047(9) 0 0 1. 0 Nb 3 +5 16 l 0.2738(5) 0.1344(5) 0 1. 0 O 1 -2 8 j 0.3479(74) 0.5 0 1. 0 O 2 -2 8 j 0.0731(64) 0.5 0 1. 0 O 3 -2 16 l 0.2095(55) 0.3402(55) 0 1. 0 O 4 -2 8 h 0.0678(42) 0.0678(42) 0 1. 0 O 5 -2 8 h 0.2116(56) 0.2116(56) 0 1. 0 O 6 -2 16 l 0.2095(34) 0.0727(33) 0 1. 0 O 7 -2 16 l 0.3555(45) 0.0630(44) 0 1. 0 *end for ICSD #17027 |
榮譽(yù)版主 (文壇精英)

木蟲(chóng) (著名寫(xiě)手)

新蟲(chóng) (小有名氣)
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