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hecking金蟲 (正式寫手)
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[求助]
求助建模參數(shù)
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| 最近研究CdSe,求助CdSe建模參數(shù),謝謝! |
榮譽(yù)版主 (著名寫手)
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*data for ICSD #60630 Coll Code 60630 Rec Date 1986/12/03 Mod Date 1997/11/10 Chem Name Cadmium Selenide Structured Cd Se Sum Cd1 Se1 ANX AX Min Name Cadmoselite D(calc) 5.66 Title Anharmonic thermal vibrations and the position parameter in Wurtzite structures. II. Cadmium Selenide Author(s) Stevenson, A.W.;Barnea, Z. Reference Acta Crystallographica B (39,1983-) (1984), 40, 530-537 Unit Cell 4.299 4.299 7.01 90. 90. 120. Vol 112.2 Z 2 Space Group P 63 m c SG Number 186 Cryst Sys hexagonal Pearson hP4 Wyckoff b2 R Value .0941 Red Cell P 4.299 4.299 7.01 90 90 120 112.198 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Determination based on model III of Fakineos, Stevenson and Barnea Aust. J. Phys. 1982,35 415 424 Anharmonic temperature factors given Compound with mineral name: Cadmoselite The structure has been assigned a PDF number (calculated powder diffraction data): 01-077-2307 The structure has been assigned a PDF number (experimental powder diffraction data): 8-459 Structure type : ZnS(2H) X-ray diffraction from single crystal At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Cd 1 +2 2 b 0.3333 0.6667 0 1. 0 Se 1 -2 2 b 0.3333 0.6667 0.37596(4) 1. 0 Lbl Type B11 B22 B33 B12 B13 B23 Cd1 Cd2+ 1.595(4) 1.595 1.627(8) 0.7975 0 0 Se1 Se2- 1.273(5) 1.273 1.284(10) 0.6365 0 0 *end for ICSD #60630 |
榮譽(yù)版主 (著名寫手)
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以后這種簡單易建的結(jié)構(gòu)應(yīng)該自己搜索先 1。找文獻(xiàn),空間群、晶格常數(shù)、分?jǐn)?shù)坐標(biāo)等信息 2。兩個有用的數(shù)據(jù)庫 美國礦物學(xué)家 http://rruff.geo.arizona.edu/AMS/amcsd.php (含參考文獻(xiàn)和cif文件下載) 更全的是ISCD 小木蟲上有2008版的可以下載,關(guān)注小木蟲 |
金蟲 (正式寫手)
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