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【請教】精修求助ICSD中Al2O3的原子坐標
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本人作Fullprof精修,要用到原子坐標,各位高手能否幫忙查下Al2O3各原子坐標: Al2O3: Crystal system: Orthorhombic Space group: P222 Space group number: 16 a (?): 7.9340 b (?): 7.9560 c (?): 11.7110 Alpha (°): 90.0000 Beta (°): 90.0000 Gamma (°): 90.0000 Volume of cell (10^6 pm^3): 739.23 Z: 16.00 Primary reference: Fargeot, D., Mercurio, D., Dauger, A., Material Chemistry and Physics, 24, 299, (1990) 多謝。。。! |
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沒有找到你說的那個,只有這個是比較接近的. *data for ICSD #161061 Coll Code 161061 Rec Date 2009/02/01 Chem Name Aluminium Oxide Structured Al2 O3 Sum Al2 O3 ANX A2X3 D(calc) 3.96 Title First-principles simulation of high-pressure polymorphs in Mg Al2 O4 Author(s) Ono, S.;Brodholt, J.P.;Price, G.D. Reference Physics and Chemistry of Minerals (Germany) (2008), 35, 381-386 Unit Cell 7.089 4.846 4.984 90. 90. 90. Vol 171.22 Z 4 Space Group P b c n SG Number 60 Cryst Sys orthorhombic Pearson oP20 Wyckoff d2 c Red Cell P 4.846 4.984 7.089 90 89.999 89.999 171.217 Trans Red 0.000 1.000 0.000 / 0.000 0.000 -1.000 / -1.000 0.000 0.000 Comments This Al2 O3 phase is supposed to be stable at pressures corresponding to the lower earth mantle (Rh2O3-II)-type Temperature in Kelvin: 0 Structure calculated theoretically Structure type : Rh2S3 No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Al 1 +3 8 d 0.1096 0.7522 0.0358 1. 0 O 1 -2 4 c 0. 0.0494 0.250 1. 0 O 2 -2 8 d 0.8460 0.6070 0.1021 1. 0 *end for ICSD #161061 |
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