| 查看: 1291 | 回复: 5 | |||
| 当前主题已经存档。 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
zw_tju木虫 (小有名气)
|
[交流]
【求助】Cu3Al的晶体结构
|
||
|
急求Cu3Al的晶体结构，空间点群，晶格常数和原子占位 [ Last edited by SHY31 on 2008-8-20 at 21:59 ] |
回复此楼» 猜你喜欢
推荐一本书
已经有10人回复
-
纳米粒子粒径的测量
已经有6人回复
-
国自然申请面上模板最新2026版出了吗？
已经有6人回复
-
溴的反应液脱色
已经有4人回复
-
参与限项
已经有5人回复
-
有没有人能给点建议
已经有5人回复
-
假如你的研究生提出不合理要求
已经有12人回复
-
全日制（定向）博士
已经有5人回复
-
萌生出自己或许不适合搞科研的想法，现在跑or等等看？
已经有4人回复
-
Materials Today Chemistry审稿周期
已经有4人回复
4楼2008-08-21 10:11:40
westlife198207
至尊木虫 (正式写手)
- 应助: 0 (幼儿园)
- 金币: 12353.5
- 散金: 1038
- 红花: 3
- 帖子: 981
- 在线: 52.4小时
- 虫号: 245493
- 注册: 2006-04-23
- 性别: GG
- 专业: 无机非金属类光电信息与功
|
有两种不同的SG，都给你贴过来了； *data for ICSD #150823 Coll Code 150823 Rec Date 2006/04/01 Chem Name Copper Aluminium (3/1) - Beta1 Structured Cu3 Al Sum Al1 Cu3 ANX NO3 D(calc) 7.33 Title The transformation process of beta-phase of Cu-Al system and the effect of Mn addition upon it. V. On the relationship among the metastable phases and their crystal structure Author(s) Tarora, I. Reference Journal of the Japan Institut of Metals (see: Nihon Kinzoku Gakkai-Shi) (1949), 13(9), 1-4 Unit Cell 5.82 5.82 5.82 90. 90. 90. Vol 197.14 Z 4 Space Group F m -3 m SG Number 225 Cryst Sys cubic Pearson cF16 Wyckoff c b a Red Cell F 4.115 4.115 4.115 60 60 60 49.284 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments The beta1 phase is obtained by cooling from the beta-phase: body centered cubic, disordered, a=2.93 A from kX The structure has been assigned a PDF number (calculated powder diffraction data): 01-073-2762 Structure type : BiF3/Cu2MnAl 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 Al 1 +0 4 a 0. 0. 0. 1. 0 Cu 1 +0 4 b 0.5 0.5 0.5 1. 0 Cu 2 +0 8 c 0.250 0.250 0.250 1. 0 *end for ICSD #150823 |
2楼2008-08-21 03:35:24
westlife198207
至尊木虫 (正式写手)
- 应助: 0 (幼儿园)
- 金币: 12353.5
- 散金: 1038
- 红花: 3
- 帖子: 981
- 在线: 52.4小时
- 虫号: 245493
- 注册: 2006-04-23
- 性别: GG
- 专业: 无机非金属类光电信息与功
|
第二种： *data for ICSD #151216 Coll Code 151216 Rec Date 2006/10/01 Chem Name Aluminium Copper (1/3) - Gamma' Structured Al Cu3 Sum Al1 Cu3 ANX NO3 D(calc) 7.26 Title Transformations in eutectoid alloys of Cu - Al. V. Structure of the martensitic phase gamma' and the mechanism of the beta1 - gamma' transformation Author(s) Kurdjumov, G.;Mireckij, V.;Stelleckaja, T. Reference Zhurnal Tekhnicheskoi Fiziki (1938), 8, 1959-1972 Unit Cell 4.52 5.21 4.23 90. 90. 90. Vol 99.61 Z 2 Space Group P 2 m m SG Number 25 Cryst Sys orthorhombic Pearson oP8 Wyckoff f e d c b a Red Cell P 4.23 4.52 5.21 90 90 90 99.613 Trans Red 0.000 0.000 1.000 / 1.000 0.000 0.000 / 0.000 1.000 0.000 Comments A from kX Space group in paper Pmaa doesn't fit positioms 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 Al 1 +0 1 a 0. 0. 0. 1. 0 Al 2 +0 1 d 0.333 0.5 0.5 1. 0 Cu 1 +0 1 c 0. 0.5 0. 1. 0 Cu 2 +0 1 b 0.333 0. 0.5 1. 0 Cu 3 +0 2 e 0.5 0.250 0. 1. 0 Cu 4 +0 2 f 0.833 0.250 0.5 1. 0 *end for ICSD #151216 |
3楼2008-08-21 03:35:59