{"title":"铁铝相的结构细化，组成近似为Fe2Al5","authors":"U. Burkhardt, Y. Grin, M. Ellner, K. Peters","doi":"10.1107/S0108768193013989","DOIUrl":null,"url":null,"abstract":"Diiron pentaaluminide, Fe 2 Al 5 , M r =268.8, orthorhombic, Cmcm (No. 63), a=7.6559(8), b=6.4154(6), c=4.2184 (4) A, V=207. 19 (6) A 3 , Z=2, D x =4.23 (2), D m =4.20 (1) Mg m -3 , Mo Kα radiation, μ=8.2 mm -1 , F(000)=249.6, T=293 K, R=0.0229, wR=0.0270 for 137 unique reflections. The refined structure differs from the approximate structure proposed previously by an additional partially occupied atomic position","PeriodicalId":6887,"journal":{"name":"Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry","volume":"59 1","pages":"313-316"},"PeriodicalIF":0.0000,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"146","resultStr":"{\"title\":\"Structure refinement of the iron–aluminium phase with the approximate composition Fe2Al5\",\"authors\":\"U. Burkhardt, Y. Grin, M. Ellner, K. Peters\",\"doi\":\"10.1107/S0108768193013989\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Diiron pentaaluminide, Fe 2 Al 5 , M r =268.8, orthorhombic, Cmcm (No. 63), a=7.6559(8), b=6.4154(6), c=4.2184 (4) A, V=207. 19 (6) A 3 , Z=2, D x =4.23 (2), D m =4.20 (1) Mg m -3 , Mo Kα radiation, μ=8.2 mm -1 , F(000)=249.6, T=293 K, R=0.0229, wR=0.0270 for 137 unique reflections. The refined structure differs from the approximate structure proposed previously by an additional partially occupied atomic position\",\"PeriodicalId\":6887,\"journal\":{\"name\":\"Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry\",\"volume\":\"59 1\",\"pages\":\"313-316\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"146\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1107/S0108768193013989\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1107/S0108768193013989","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 146
摘要
五铝二铁，fe2al5, M r =268.8，正交，Cmcm (No. 63)， a=7.6559(8)， b=6.4154(6)， c=4.2184 (4)， a, V=207。19 (6) A 3, Z=2, D x =4.23 (2)， D m =4.20 (1)， Mg m -3, Mo Kα辐射μ=8.2 mm -1, F(000)=249.6, T=293 K, R=0.0229, wR=0.0270。这种精炼的结构与先前提出的近似结构不同，因为它增加了一个部分占据的原子位置
Structure refinement of the iron–aluminium phase with the approximate composition Fe2Al5
Diiron pentaaluminide, Fe 2 Al 5 , M r =268.8, orthorhombic, Cmcm (No. 63), a=7.6559(8), b=6.4154(6), c=4.2184 (4) A, V=207. 19 (6) A 3 , Z=2, D x =4.23 (2), D m =4.20 (1) Mg m -3 , Mo Kα radiation, μ=8.2 mm -1 , F(000)=249.6, T=293 K, R=0.0229, wR=0.0270 for 137 unique reflections. The refined structure differs from the approximate structure proposed previously by an additional partially occupied atomic position
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