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yizhimantou木蟲 (正式寫手)
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[求助]
求助:麻煩哪位高手指導(dǎo)建一個(gè)氮化銅的晶格模型。。。我計(jì)算總是fail
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下面是氮化銅的參數(shù),但是我用CASTEP計(jì)算幾何優(yōu)化和別的性質(zhì)的時(shí)候總是會(huì)fail,實(shí)在找不到原因了!不知道是不是建模的問(wèn)題!請(qǐng)大家?guī)蛶兔Γ?br />
---------------------------------------------------------------------------------------- *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 |

木蟲 (正式寫手)

榮譽(yù)版主 (著名寫手)
至尊木蟲 (職業(yè)作家)
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你結(jié)構(gòu)可能見(jiàn)錯(cuò)了。單胞里有四個(gè)原子,結(jié)果如下面的這篇文章上所畫的。 http://www.sciencedirect.com/sci ... i/S1293255808000691 |
木蟲 (正式寫手)

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