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[求助]
查詢Sr3GaSb3的結(jié)構(gòu) ,結(jié)果有兩個(gè)結(jié)果,而且悲劇的是都與文獻(xiàn)上所給的常數(shù)不同 已有1人參與
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用FindIt-2009 查詢Sr3GaSb3 ,結(jié)果有兩個(gè)結(jié)果,而且悲劇的是都與我看的文獻(xiàn)上所給的空間群和晶格常數(shù)不同 這是查詢得到的第一個(gè) *data for ICSD #65055 Coll Code 65055 Rec Date 1989/06/19 Chem Name Tristrontium Gallium Triantimonide Structured Sr3 Ga Sb3 Sum Ga1 Sb3 Sr3 ANX NO3P3 D (calc) 4.92 Title Sr3 Ga Sb3 und Sr3 In P3, zwei neue Zintlphasen mit komplexen Anionen Author(s) Cordier, G.;Schaefer, H.;Stelter, M. Reference Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42, 1987 -) (1987), 42, 1268-1272 Unit Cell 11.762(4) 14.509(5) 11.749(4) 90. 110.0(1) 90. Vol 1884.11 Z 8 Space Group P 1 21/n 1 SG Number 14 Cryst Sys monoclinic Pearson mP56 Wyckoff e14 R Value .092 Red Cell P 11.749 11.762 14.509 90 90 110 1884.106 Trans Red 0.000 0.000 1.000 / 1.000 0.000 0.000 / 0.000 1.000 0.000 Comments Ueq-values for all atoms The structure has been assigned a PDF number (calculated powder diffraction data): 01-079-0142 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H ITF(U) Sr 1 +0 4 e 0.0230(2) 0.5758(2) 0.6726(2) 1. 0 0.0147(9) Sr 2 +0 4 e 0.8421(2) 0.2498(2) 0.9791(2) 1. 0 0.0136(9) Sr 3 +0 4 e 0.8183(2) 0.5708(1) 0.9578(2) 1. 0 0.0149(8) Sr 4 +0 4 e 0.0378(2) 0.9044(2) 0.6565(2) 1. 0 0.0156(9) Sr 5 +0 4 e 0.0915(2) 0.2836(1) 0.6874(2) 1. 0 0.0139(9) Sr 6 +0 4 e 0.6638(2) 0.4335(2) 0.5866(2) 1. 0 0.0154(9) Ga 1 +0 4 e 0.1888(2) 0.0911(2) 0.8169(2) 1. 0 0.0115(10) Ga 2 +0 4 e 0.8219(2) 0.2550(2) 0.6927(2) 1. 0 0.0117(10) Sb 1 +0 4 e 0.4263(1) 0.0908(1) 0.3115(1) 1. 0 0.0124(6) Sb 2 +0 4 e 0.2261(1) 0.4329(1) 0.5765(1) 1. 0 0.0121(6) Sb 3 +0 4 e 0.7954(1) 0.9064(1) 0.4043(1) 1. 0 0.0126(6) Sb 4 +0 4 e 0.1801(1) 0.7372(1) 0.5459(1) 1. 0 0.0112(6) Sb 5 +0 4 e 0.9498(1) 0.0999(1) 0.7942(1) 1. 0 0.0112(6) Sb 6 +0 4 e 0.8988(1) 0.7413(1) 0.7889(1) 1. 0 0.0128(6) *end for ICSD #65055 第二個(gè) *data for ICSD #655598 Coll Code 655598 Rec Date 2008/08/01 Chem Name Tristrontium Triantimonidogallate Structured Sr3 (Ga Sb3) Sum Ga1 Sb3 Sr3 ANX NO3P3 D(calc) 4.92 Title Tristrontium triantimonidogallate** Author(s) Cordier, G.;Schafer, H.;Stelter, M. Reference Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (33,1978-41,1986) (1987), 42, 1268-1272 Unit Cell 11.749(4) 14.509(5) 13.485(5) 90.0 124.96(1) 90.0 Vol 1883.94 Z 8 Space Group P 1 21/c 1 SG Number 14 Cryst Sys monoclinic Pearson mP56 Wyckoff e14 R Value .092 Red Cell P 11.749 11.760 14.509 90 89.999 109.997 1883.935 Trans Red -1.000 0.000 0.000 / 1.000 0.000 1.000 / 0.000 1.000 0.000 Comments authors gave structure with unique axis b, cell choice 2 Metals Sdata Record: REF= 4170; INT= count; RAD= Mo; APP= diffractometer Metals structure type Ga Sb3 Sr3 X-ray diffraction from single crystal \N Atom # OX SITE x y z SOF H Ga 1 +0 4 e 0.6281 0.0911 0.8112 1 0 Ga 2 +0 4 e 0.8708 0.2550 0.1781 1 0 Sb 1 +0 4 e 0.8852 0.0908 0.5737 1 0 Sb 2 +0 4 e 0.3504 0.4329 0.7739 1 0 Sb 3 +0 4 e 0.6089 0.9064 0.2046 1 0 Sb 4 +0 4 e 0.3658 0.7372 0.8199 1 0 Sb 5 +0 4 e 0.8444 0.0999 0.0502 1 0 Sb 6 +0 4 e 0.8901 0.7413 0.1012 1 0 Sr 1 +0 4 e 0.6496 0.5758 0.9770 1 0 Sr 2 +0 4 e 0.1370 0.2498 0.1579 1 0 Sr 3 +0 4 e 0.1395 0.5708 0.1817 1 0 Sr 4 +0 4 e 0.6187 0.9044 0.9622 1 0 Sr 5 +0 4 e 0.5959 0.2836 0.9085 1 0 Sr 6 +0 4 e 0.9228 0.4335 0.3362 1 0 *end for ICSD #655598 而文獻(xiàn)中給出的信息為The monoclinic structure of Sr3GaSb3(space group P21/n, lattice parameters a =11.855 A, b = 14.649 A, c = 11.876 A, and b angle =109.963) 求助 求助 |
榮譽(yù)版主 (著名寫手)
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沒什么區(qū)別,兩個(gè)cif都行的(本質(zhì)一樣,No.14空間群的不同表示方法) 并且兩個(gè)cif文件中的參考文獻(xiàn),都是指向同一篇,這也正是Zevalkink這篇文章 (Energy Environ. Sci., 2012,5, 9121)中的參考文獻(xiàn)18 補(bǔ)充,我明白你的意思了,這兩個(gè)cif導(dǎo)入MS中都顯示異常。ㄟ@實(shí)際上是由于cif文件中的對稱操作部分MS識(shí)別錯(cuò)誤),解決的方法是用VESTA打開該cif文件,export出新的cif文件,再導(dǎo)入MS即可(實(shí)際上該體系沒有primitive cell,所以直接VESTA導(dǎo)出POSCAR也行) |
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