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首页> 外文期刊>Crystallography reports >Crystal Structure of Samarium Hexamolybdoaluminate Sm[Al(OH)_6Mo_6O_(18)]·11H_2O
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Crystal Structure of Samarium Hexamolybdoaluminate Sm[Al(OH)_6Mo_6O_(18)]·11H_2O

机译:六钼铝mar Sm [Al(OH)_6Mo_6O_(18)]·11H_2O的晶体结构

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摘要

The structure of a new complex of samarium(III) with a hexamolybdoaluminate ion, Sm[Al(OH)_6Mo_6O_(18)]·11H_2O, was established by the methods of X-ray diffraction analysis. The crystallographic data are as follows: sp. gr. Pbc2_1, a = 10.927(4) A, b = 11.757(5) A, c = 22.327(9) A, V = 2868(1) A~3, Z = 4, ρ_(calcd) = 3.040 g/cm~3, R = 0.084, R_W = 0.198. In the [Al(OH)_6Mo_6O_(18)]~(3-) anion, an Al atom is surrounded by six Mo atoms with distorted octahedral coordination. The anions are linked into chains via Sm atoms. The coordination polyhedron of a Sm atom is a tricapped trigonal prism with the vertices being occupied by two terminal oxygen atoms of two adjacent anions and seven water molecules.
机译:利用X射线衍射分析方法建立了a(III)与六钼铝酸根离子Sm [Al(OH)_6Mo_6O_(18)]·11H_2O的新配合物的结构。晶体学数据如下: gr。 Pbc2_1,a = 10.927(4)A,b = 11.757(5)A,c = 22.327(9)A,V = 2868(1)A〜3,Z = 4,ρ_(计算)= 3.040 g / cm〜 3,R = 0.084,R_W = 0.198。在[Al(OH)_6Mo_6O_(18)]〜(3-)阴离子中,Al原子被八个八面体配位畸变的六个Mo原子包围。阴离子通过Sm原子连接成链。 Sm原子的配位多面体是一个三棱柱三角棱镜,其顶点被两个相邻阴离子的两个末端氧原子和七个水分子占据。

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