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bigfeather29銀蟲(chóng) (正式寫(xiě)手)
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[求助]
已查到一個(gè)晶體的ICSD數(shù)據(jù),怎么知道原子的具體位置坐標(biāo)
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我已查到硅化銅(Cu15Si4)的ICSD數(shù)據(jù)(如下),一個(gè)晶胞中有60個(gè)Cu原子,16個(gè)Si原子,怎樣知道每個(gè)原子的具體位置呢?如果哪個(gè)高手能把原子的位置坐標(biāo)寫(xiě)出來(lái),感激萬(wàn)分! *data for ICSD #36254 CopyRight ?2008 by Fachinformationszentrum Karlsruhe, and the U.S. Secretary of Commerce on behalf of the United States. All rights reserved. Coll Code 36254 Rec Date 1980/01/01 Mod Date 2007/04/01 Chem Name Copper Silicide (15/4) Structured Cu15 Si4 Sum Cu15 Si4 ANX N4O15 D(calc) 7.74 Title The crystal structure of a complex copper-silicon compound Author(s) Morral, F.R.;Westgren, A. Reference Arkiv foer Kemi, Mineralogi och Geologi, B (1934), 11(37), 1-6 Unit Cell 9.704 9.704 9.704 90. 90. 90. Vol 913.8 Z 4 Space Group I -4 3 d SG Number 220 Cryst Sys cubic Pearson cI76 Wyckoff e c a Red Cell I 8.403 8.403 8.403 109.471 109.471 109.471 456.901 Trans Red 0.500 0.500 -0.500 / -0.500 0.500 0.500 / 0.500 -0.500 0.500 Comments AE: Si: Cu12; Cu1: Co8 Si4; Cu2: Cu10 Si3 The structure has been assigned a PDF number (calculated powder diffraction data): 01-076-1800 The structure has been assigned a PDF number (experimental powder diffraction data): 23-222 Structure type prototype : Cu15Si4 Structure type : Cu15Si4 X-ray diffraction (powder) No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Si 1 +0 16 c 0.2083 0.2083 0.2083 1. 0 Cu 1 +0 12 a 0.375 0 0.25 1. 0 Cu 2 +0 48 e 0.12 0.16 -.04 1. 0 *end for ICSD #36254 |
動(dòng)力學(xué)強(qiáng)帖 |
銀蟲(chóng) (正式寫(xiě)手)
木蟲(chóng)之王 (文學(xué)泰斗)
至尊山羊
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