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[求助]
求助ICSD數(shù)據(jù)庫中CaS的晶體結構參數(shù)
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| 如題。 |
木蟲 (正式寫手)
小書蟲愛吃糖
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*data for ICSD #41956 Coll Code 41956 Rec Date 2000/07/15 Mod Date 2002/04/01 Chem Name Calcium Sulfide Structured Ca S Sum Ca1 S1 ANX AX Min Name Oldhamite D(calc) 2.6 Title Structural phase transformations and the equations of state of calcium chalcogenides at high pressure Author(s) Luo, H.;Greene, R.G.;Ghandehari, K.;Li, T.;Ruoff, A.L. Reference Physical Review, Serie 3. B - Solid State (1,1970-17,1977) (1994), 50, 16233-16237 Unit Cell 5.689 5.689 5.689 90. 90. 90. Vol 184.12 Z 4 Space Group F m -3 m SG Number 225 Cryst Sys cubic Pearson cF8 Wyckoff b a Red Cell F 4.022 4.022 4.022 60 60 60 46.031 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments Cell at 39.6 GPa: a=5.115 (NaCl-type), above transformation n to CsCl-type, between 39.9-45 GPa both phases coexist. Cell (Cs Cl-type) at 52.1 GPa: a=3.059 Compound with mineral name: Oldhamite The structure has been assigned a PDF number (calculated powder diffraction data): 01-078-1922 The structure has been assigned a PDF number (experimental powder diffraction data): 8-464 Structure type : NaCl X-ray diffraction from single crystal Unusual difference between calculated and measured density No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Ca 1 +2 4 a 0 0 0 1. 0 S 1 -2 4 b 0.5 0.5 0.5 1. 0 *end for ICSD #41956 |

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