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feiranlan金蟲 (小有名氣)
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[求助]
關(guān)于LiNH2和Li2NH的晶體結(jié)構(gòu)求助
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| 請(qǐng)問有人有這兩種物質(zhì)的晶體結(jié)構(gòu)cif文件嗎,想畫個(gè)晶體模型出來,或者告訴我去哪可以查到,謝謝 |
鐵桿木蟲 (職業(yè)作家)
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*data for ICSD #161017 Coll Code 161017 Rec Date 2009/02/01 Chem Name Lithium Amide Structured Li (N H2) Sum H2 Li1 N1 ANX AX D(calc) 1.17 Title Crystal and electronic structures of Li - N - H and related hydrogen storage materials Author(s) Yang Jinbo;Cai, Q.;Wang Xujun;Yelon, W.B.;James, W.J. Reference Materials Research Society Symposia Proceedings (2007), 971, 1-6 Unit Cell 5.03442(24) 5.03442(24) 10.25558(52) 90. 90. 90. Vol 259.93 Z 8 Space Group I -4 SG Number 82 Cryst Sys tetragonal Pearson tI32 Wyckoff g f c a Red Cell I 5.034 5.034 6.242 113.781 113.781 89.999 129.965 Trans Red 1.000 0.000 0.000 / 0.000 -1.000 0.000 / -0.500 0.500 -0.500 Comments Electron structure calculation Neutron diffraction (powder) Rietveld profile refinement applied Temperature in Kelvin: 293 Structure type : LiNH2 No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Li 1 +1 2 a 0. 0. 0. 1. 0 Li 2 +1 4 f 0. 0.5 0.00253 1. 0 Li 3 +1 2 c 0. 0.5 0.250 1. 0 N 1 -3 8 g 0.2286 0.2499 0.1158 1. H H 1 +1 8 g 0.2429 0.1285 0.1910 1. 0 H 2 +1 8 g 0.3840 0.3512 0.1278 1. 0 *end for ICSD #161017 |
鐵桿木蟲 (職業(yè)作家)
鐵桿木蟲 (職業(yè)作家)
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*data for ICSD #28683 Coll Code 28683 Rec Date 1980/01/01 Mod Date 2008/08/01 Chem Name Dilithium Imide Structured Li2 (N H) Sum H1 Li2 N1 ANX A2X D(calc) 1.49 Title Zur Kenntnis des Lithiumimides Author(s) Juza, R.;Opp, K. Reference Zeitschrift fuer Anorganische und Allgemeine Chemie (1951), 266, 325-330 Unit Cell 5.047 5.047 5.047 90. 90. 90. Vol 128.56 Z 4 Space Group F m -3 m SG Number 225 Cryst Sys cubic Pearson cF16 Wyckoff c a Red Cell F 3.568 3.568 3.568 60 60 60 32.14 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments AE: Li: N4; N: Li8 H The structure has been assigned a PDF number (calculated powder diffraction data): 01-075-0050 Structure type prototype : Li2NH Structure type : Li2NH X-ray diffraction from single crystal No R value given in the paper. At least one temperature factor missing in the paper. Position of 4 Elements of H Are Undetermined. Atom # OX SITE x y z SOF H Li 1 +1 8 c 0.25 0.25 0.25 1. 0 N 1 -3 4 a 0 0 0 1. H1 *end for ICSD #28683 |
鐵桿木蟲 (職業(yè)作家)
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*data for ICSD #154761 Coll Code 154761 Rec Date 2007/04/01 Chem Name Dilithium Imide - Lt Structured Li2 (N H) Sum H1 Li2 N1 ANX A2X D(calc) 1.51 Title Crystal structures and phase transformation of deuterated lithium imide Author(s) Balogh, M.P.;Jones, C.Y.;Herbst, J.F.;Hector, L.G.jr.;Kundrat, M. Reference Journal of Alloys Compd. (2006), 420, 326-336 Unit Cell 7.118 10.072 7.088 90. 90. 90. Vol 508.15 Z 16 Space Group I m a 2 SG Number 46 Cryst Sys orthorhombic Pearson oI64 Wyckoff c3 b6 Red Cell I 7.088 7.112 7.112 60.051 60.113 60.113 254.078 Trans Red 0.000 0.000 1.000 / -0.500 -0.500 0.500 / 0.500 -0.500 0.500 Comments This structure has only completely occupied sites and equivalent to the partially occupied structure 154756 Temperature in Kelvin: 0 Structure calculated theoretically 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 Li 1 +1 4 b 0.250 0.3826 0.3703 1. 0 Li 2 +1 4 b 0.250 0.8765 0.3703 1. 0 Li 3 +1 4 b 0.250 0.1058 0.3705 1. 0 Li 4 +1 4 b 0.250 0.2498 0.1206 1. 0 Li 5 +1 8 c 0.5074 0.1155 0.1372 1. 0 Li 6 +1 8 c 0.5073 0.3844 0.1034 1. 0 N 1 -3 4 b 0.250 0.0087 0.6101 1. H1 N 2 -3 4 b 0.250 0.0089 0.1305 1. H1 N 3 -3 8 c 0.4691 0.2405 0.3700 1. H1 H 1 +1 4 b 0.250 0.5505 0.2295 1. 0 H 2 +1 4 b 0.250 0.5506 0.5114 1. 0 H 3 +1 8 c 0.5819 0.1945 0.8700 1. 0 *end for ICSD #154761 |
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