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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Crystal structure of the ordered double perovskite, Sr2NiTeO6
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Crystal structure of the ordered double perovskite, Sr2NiTeO6

机译:有序双钙钛矿Sr2NiTeO6的晶体结构

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The crystal structure of the ordered double perovskite Sr2MnTeO6 has been refined at ambient temperature from high resolution neutron and X-ray powder diffraction data in the monoclinic space group I I 2/m I with a = 5.6166(1) angstrom, b = 5.5807(l) angstrom, c = 7.8797(l) angstrom and beta = 90.048(2)degrees. The structure is the result of out-of-phase (-) rotations of virtually undistorted NiO6 and TeO6 octahedra in the (0 - -) sense about two of the axes of the ideal cubic perovskite. Electron diffraction measurements have been used to confirm the proposed space group and structure.
机译:有序双钙钛矿Sr2MnTeO6的晶体结构已在环境温度下根据单斜晶空间组II 2 / m I中的高分辨率中子和X射线粉末衍射数据进行了精炼,其中a = 5.6166(1)埃,b = 5.5807(l) ),c = 7.8797(l)埃和beta = 90.048(2)度。该结构是实际上无畸变的NiO6和TeO6八面体在理想立方钙钛矿的两个轴上以(0--)方向异相(-)旋转的结果。电子衍射测量已被用于确认所提出的空间群和结构。

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