Hydrothermal Synthesis and Crystal Structure of a Novel Selenite-chloride:[Cd4(SeO3)2Cl4(H2O)]n with a Three-dimensional Framework |
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作者姓名: | CHEN Wen-Tong WEI Kun-Yu MIAO Xiao-Fei |
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作者单位: | Institute of Applied Chemistry, School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Coordination Chemistry, Jinggangshan University, Ji 'an, Jiangxi 343009, China |
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基金项目: | supported by the NSF of Jiangxi Province (200007GQH1685 2008GQH0001) |
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摘 要: | A novel three-dimensional(3-D) compound Cd4(SeO3)2Cl4(H2O)]n(1) was prepared from a hydrothermal reaction and structurally characterized.Compound 1 crystallizes in the space group Fmmm of the orthorhombic system with eight formula units in a cell:a = 15.5165(4),b = 17.5090(9),c = 7.3318(5) ,V = 1991.9(2) 3,Cd4Cl4H2O7Se2,Mr = 863.38,Dc = 5.758 g/cm3,S = 1.075,μ(MoKα) = 16.820 mm-1,F(000) = 3088,R = 0.0427 and wR = 0.1220.Compound 1 features a 3-D structure with the cadmium atoms having two different coordination environments,i.e.,six-and eight-coordination geometries.Two different chain-like structures of cadmium-oxo polyhedra are interconnect to each other to give a 2-D layer of Cd4(SeO3)2(H2O)]n4n+.Between the Cd4(SeO3)2(H2O)]n4n+ layers is a novel chloride layer.A 3-D framework is constructed from these Cd4(SeO3)2(H2O)]n4n+ layers linked by the chloride layers.
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关 键 词: | 晶体结构 水热合成 H2O 亚硒酸钠 氯化 三维 框架 化合物 |
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