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【求助】求助晶体结构已有2人参与
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| 想知道Mg2Y和Y2Si的晶体结构 |
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zbdfwq5777
木虫之王 (文学泰斗)
至尊山羊
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Mg2Y
★ ★
eeqeeq0002(金币+2):谢谢参与 2010-04-09 08:12
eeqeeq0002(金币+2):谢谢参与 2010-04-09 08:12
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*data for ICSD #104891 Coll Code 104891 Rec Date 2004/10/01 Chem Name Magnesium Yttrium (2/1) Structured Mg2 Y Sum Mg2 Y1 ANX NO2 D(calc) 2.97 Title Thermodynamics of formation of yttrium-magnesium intermediate phase Author(s) Smith, J.F.; Bailey, D.M.; Novotny, D.B.; Davison, J.E. Reference Acta Metallurgica (1965), 13, 889-895 Journal of the Less-Common Metals (1988), 142, 31-36 Unit Cell 6.037(1) 6.037 9.752(2) 90. 90. 120. Vol 307.8 Z 4 Space Group P 63/m m c SG Number 194 Cryst Sys hexagonal Pearson hP12 Wyckoff h f a Red Cell P 6.037 6.037 9.752 90 90 120 307.799 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments M.p. 1053 K (incongruent) Same cell from 2nd ref. (Zanicchi et al.) The structure has been assigned a PDF number (calculated powder diffraction data): 01-071-9618 The structure has been assigned a PDF number (experimental powder diffraction data): 65-6728 Structure type : MgZn2 X-ray diffraction (powder) No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Mg 1 +0 2 a 0 0 0 1. 0 Mg 2 +0 6 h 0.8409 0.6818 0.25 1. 0 Y 1 +0 4 f 0.3333 0.6667 0.626 1. 0 *end for ICSD #104891 |
2楼2010-04-08 16:29:12
zbdfwq5777
木虫之王 (文学泰斗)
至尊山羊
- CMEI: 3
- 应助: 820 (博后)
- 贵宾: 0.902
- 金币: 166542
- 散金: 6682
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- 帖子: 126445
- 在线: 7408.7小时
- 虫号: 664055
- 注册: 2008-11-29
- 专业: 敏感电子学与传感器
Mg2Y
asus1984(金币+5): 2010-04-09 08:25
3楼2010-04-08 16:32:31
4楼2010-04-09 08:26:49