【摘要】 在水热条件下合成了一个新颖的夹心结构四核镍有机-无机杂化锗钨酸盐[Ni(dien)(H2O)3]2.[Ni(Hdien)2]{[Ni(dien)]2Ni4(H2O)2(GeW9O34)2}.10H2O(1),利用X射线单晶衍射确定了其结构,并通过红外光谱、热重、X射线粉末衍射、X射线能谱和元素分析对其进行了表征.其晶体属三斜晶系,P1,a=1.1937(3)nm,b=1.4323(3)nm,c=1.6394(4)nm,α=93.424(2)°,β=96.058(3)°,γ=109.758(4)°,V=2.6094(1)nm3,Z=1.X射线单晶衍射结果表明,化合物1是由夹心构型的多阴离子通过镍-二乙烯三胺配阳离子连接形成的一维线性结构.更多还原

【Abstract】 A novel organic-inorganic hybrid germanotungstate [Ni(dien)(H2O)3]2[Ni(Hdien)2]·{[Ni(dien)]2Ni4(H2O)2(GeW9O34)2}·10H2O(1)(dien=diethylenetrimine) was synthesized under hydrothermal conditions and characterized by IR spectroscopy,TGA,elemental analysis,energy-dispersive X-ray spectroscopy and single-crystal X-ray structural analysis.Crystal data for compound 1: triclinic system,space group P1,a=1.1937(3) nm,b=1.4323(3) nm,c=1.6394(4) nm,α=93.424(2)°,β=96.058(3)°,γ=109.758(4)°,V=2.6094(1) nm3,Z=1.X-ray crystallographic study reveals that compound 1 was built from [Ni(dien)]2+ decorated Weakley-type sandwich polyoxoanion linked by [Ni(Hdien)2]4+ cations to form a 1D linear structure,which further stacks to form 3D network.更多还原