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yizhimantou木蟲 (正式寫手)
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[求助]
求助:氮化銅Cu3N的晶格常數(shù)及原子坐標(biāo)(MS建模用)
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在MS建模時(shí)需要氮化銅Cu3N的空間群,晶格常數(shù)及原子坐標(biāo)。我只查到了晶格常數(shù)。 請(qǐng)問空間群和原子坐標(biāo)如何確定呢? 氮化銅晶胞 氮化銅晶胞 |

木蟲 (正式寫手)

鐵桿木蟲 (職業(yè)作家)
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*data for ICSD #25675 Coll Code 25675 Rec Date 1980/01/01 Mod Date 1984/08/23 Chem Name Copper(I) Nitride Structured Cu3 N Sum Cu3 N1 ANX A3X D(calc) 6.16 Title Ueber die Kristallstrukturen von Cu3 N, Ga N und In N Author(s) Juza, R.;Hahn, H. Reference Zeitschrift fuer Anorganische und Allgemeine Chemie (1938), 239, 282-287 Unit Cell 3.807(4) 3.807(4) 3.807(4) 90. 90. 90. Vol 55.18 Z 1 Space Group P m -3 m SG Number 221 Cryst Sys cubic Pearson cP4 Wyckoff d a Red Cell P 3.807 3.807 3.807 90 90 90 55.176 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments The structure has been assigned a PDF number (calculated powder diffraction data): 01-073-6209 Structure type : ReO3 X-ray diffraction (powder) 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 Cu 1 +1 3 d 0.5 0 0 1. 0 N 1 -3 1 a 0 0 0 1. 0 *end for ICSD #25675 |
鐵桿木蟲 (職業(yè)作家)
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這個(gè)是有溫度因子的 *data for ICSD #245994 Coll Code 245994 Rec Date 2009/02/01 Chem Name Copper(I) Nitride Structured Cu3 N Sum Cu3 N1 ANX A3X D(calc) 6.12 Title Structural chemistry of Cu3 N powders obtained by ammonolysis reactions Author(s) Paniconi, G.;Stoeva, Z.;Doberstein, H.;Smith, R.I.;Gallagher, B.L.;Gregory, D.H. Reference Solid State Sciences (2007), 9(10), 907-913 Unit Cell 3.81412(3) 3.81412(3) 3.81412(3) 90. 90. 90. Vol 55.48 Z 1 Space Group P m -3 m SG Number 221 Cryst Sys cubic Pearson cP4 Wyckoff d a R Value .0597 Red Cell P 3.814 3.814 3.814 90 90 90 55.485 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Preparation condition 18 h at 275 C. For preparation series see CCodes 245993-245996 Given R-value is Rp Electron microscopy (powder) Neutron diffraction (powder) Rietveld profile refinement applied Temperature in Kelvin: 295 Structure type : ReO3 Atom # OX SITE x y z SOF H Cu 1 +1 3 d 0.5 0 0 1. 0 N 1 -3 1 a 0 0 0 1. 0 Lbl Type U11 U22 U33 U12 U13 U23 Cu1 Cu1+ 0.00245(8) 0.01212(6) 0.01212(6) N1 N3- 0.00581(4) 0.00581(4) 0.00581(4) *end for ICSD #245994 |
鐵桿木蟲 (職業(yè)作家)
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