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Tosser
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2Â¥2009-05-08 16:09:37
wenyun0876
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3Â¥2009-05-08 16:15:05
teos999
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4Â¥2009-05-08 16:45:20
xmuamoy
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waiy2001(½ð±Ò+1,VIP+0):лл 5-9 17:20
waiy2001(½ð±Ò+1,VIP+0):лл 5-9 17:20
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*data for ICSD #28857 Coll Code 28857 Rec Date 1980/01/01 Mod Date 2006/04/01 Chem Name Carbon Structured C Sum C1 ANX N Min Name Diamond D(calc) 3.52 Title Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Author(s) Straumanis, M.E.;Aka, E.Z. Reference Journal of the American Chemical Society (1951), 73, 5643-5646 Unit Cell 3.56669(5) 3.56669 3.56669 90. 90. 90. Vol 45.37 Z 8 Space Group F d -3 m S SG Number 227 Cryst Sys cubic Pearson cF8 Wyckoff a Red Cell F 2.522 2.522 2.522 60 60 60 11.343 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments Expansion coefficient 1.51 * 10**-6, m.p. 3820 K Compound with mineral name: Diamond The structure has been assigned a PDF number (calculated powder diffraction data): 01-075-0219 The structure has been assigned a PDF number (experimental powder diffraction data): 6-675 Temperature in Kelvin: 283 Structure type : C(cF8) 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 C 1 +0 8 a 0 0 0 1. 0 *end for ICSD #28857 |
5Â¥2009-05-08 22:23:38
xmuamoy
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waiy2001(½ð±Ò+1,VIP+0):ллÌṩ 5-9 17:20
waiy2001(½ð±Ò+1,VIP+0):ллÌṩ 5-9 17:20
|
*data for ICSD #76767 Coll Code 76767 Rec Date 2001/07/16 Mod Date 2006/10/01 Chem Name Carbon Structured C Sum C1 ANX N Min Name Graphite 2H D(calc) 2.26 Title Structure of graphite by neutron diffraction Author(s) Trucano, P.;Chen, R. Reference Nature (London) (1975), 258, 136-137 Journal of the Chemical Society. Faraday Transactions 2. (1976), 72, 446-455 Unit Cell 2.464(2) 2.464 6.711(4) 90. 90. 120. Vol 35.29 Z 4 Space Group P 63/m m c SG Number 194 Cryst Sys hexagonal Pearson hP4 Wyckoff c b R Value .042 Red Cell P 2.464 2.464 6.711 90 90 119.999 35.286 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Also refined in P1- with R=0.046. no significant deviation from P63/mmc Cell from 2nd ref. (Gamlen & White): 2.47, 6.93 for microcrystalline graphite Compound with mineral name: Graphite 2H Neutron diffraction (single crystal) The structure has been assigned a PDF number (calculated powder diffraction data): 01-089-7213 The structure has been assigned a PDF number (experimental powder diffraction data): 41-1487 Structure type : Graphite(2H) Atom # OX SITE x y z SOF H C 1 +0 2 b 0 0 0.25 1. 0 C 2 +0 2 c 0.3333 0.6667 0.25 1. 0 Lbl Type U11 U22 U33 U12 U13 U23 C1 C0+ 0.0031 0.0031 0.016(2) 0.00155 0 0 C2 C0+ 0.0031 0.0031 0.017(2) 0.00155 0 0 *end for ICSD #76767 |
6Â¥2009-05-08 22:25:00
teos999
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7Â¥2009-05-12 09:47:56














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