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遥遥故事木虫 (正式写手)
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请问CeO2的结构分析
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| CeO2的萤石结构和方铈矿结构是一回事吗？ |
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*data for ICSD #28709 Coll Code 28709 Rec Date 1986/09/23 Mod Date 1999/01/19 Chem Name Cerium(IV) Oxide Structured Ce O2 Sum Ce1 O2 ANX AX2 Min Name Cerianite (矿物名：方铈矿) D(calc) 7.3 Title Die Oxydsysteme des Cers und des Praseodyms Author(s) Brauer, G.;Gradinger, H. Reference Zeitschrift fuer Anorganische und Allgemeine Chemie (1954), 277, 89-95 Unit Cell 5.389 5.389 5.389 90. 90. 90. Vol 156.5 Z 4 Space Group F m -3 m SG Number 225 Cryst Sys cubic Pearson cF12 Wyckoff c a Red Cell F 3.810 3.810 3.810 60 60 60 39.126 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments Compound with mineral name: Cerianite The structure has been assigned a PDF number (calculated powder diffraction data): 01-073-6318 The structure has been assigned a PDF number (experimental powder diffraction data): 34-394 Structure type : CaF2（结构类型：萤石型结构） X-ray diffraction from single crystal No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Ce 1 +4 4 a 0 0 0 1. 0 O 1 -2 8 c 0.25 0.25 0.25 1. 0 *end for ICSD #28709 |
2楼2009-05-31 09:38:37