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利用配体1-(4-羟基苯)-5-巯基四氮唑(H2L)和金属盐酸盐在水溶液中反应,合成了4种离子型化合物,并测定了它们的晶体结构。分析结果显示它们是异质同晶,都属于P1空间群,分子通式为[M(H2O)6](HL)2[M=MnⅡ(1),CoⅡ(2),NiⅡ(3),ZnⅡ(4)]。在这些化合物中,中心金属原子都采取六配位模式,形成一个近乎理想的八面体构型。晶体中通过氢键(M-OH2…O-C)和偏移面π-π堆积作用形成独特的三维超分子网络结构。
Four kinds of ionic compounds were synthesized by the reaction of ligand 1- (4-hydroxybenzene) -5-mercaptotetrazole (H2L) and metal hydrochloride in aqueous solution. Their crystal structures were also determined. The results show that they are isomorphic and belong to the space group P1, the molecular formula is [M (H2O) 6] (HL) 2 [M = MnⅡ (4)]. In these compounds, the central metal atoms take the hexacoordination mode, forming a nearly ideal octahedral configuration. The unique three-dimensional supramolecular network structure is formed by hydrogen bonding (M-OH2 ... O-C) and offset π-π stacking.