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通过水热的方法合成了一例新的二维层状四元钒锗酸盐化合物(H3deta)4Ge8V14S8O42.H2O,并对其进行红外、热重以及X-射线单晶衍射和粉末衍射分析.晶体学测试结果表明:该化合物为四方晶系,P-4m2空间群,晶包参数a=b=0.9933(6)nm,c=2.3661(15)nm,α=β=γ=90°,V=2.335(2)nm-3,Z=8,R1=0.0803,wR2=0.2288;该化合物由较大的[Ge8V14S8O42]12-簇共顶点相连成(001)平面的二维(2D)层状骨架,骨架之间由带正电荷的二乙烯三胺(deta)分子填充.
A new two-dimensional layered quaternary vanadium germanate compound (H3deta) 4Ge8V14S8O42.H2O was synthesized by hydrothermal method and characterized by IR, TG and X-ray single crystal diffraction and powder diffraction analysis. The results show that the compound is tetragonal P-4m2 space group with a = b = 0.9933 (6) nm, c = 2.3661 (15) nm, α = β = γ = 90 ° and V = 2.335 (2) nm-3, Z = 8, R1 = 0.0803, wR2 = 0.2288; the compound is composed of a large [Ge8V14S8O42] 12-cluster co-vertex connected to a (2D) Is filled with positively charged diethylenetriamine molecules.