With the aim of developing new 1D platinum chain solids having infinite Pt−Pt bonds, several carboxylate-bridged cis-diammineplatinum dimers have been prepared and structurally characterized. For a dimer doubly bridged with acetates, five different salts [Pt2(NH3)4(μ-CH3CO2)2]X2·nH2O (X2, n = (ClO4)2, 2, 1; (NO3)2, 1, 2; (BF4)2, 4, 3; (PF6)2, 2, 4; (SiF6), 4, 5) have been prepared. The crystal structure
为了开发具有无限 Pt-Pt 键的新型一维
铂链固体,已经制备了几种
羧酸桥连的顺式二
氨铂二聚体并对其进行了结构表征。对于用
醋酸盐双桥接的二聚体,五种不同的盐 [Pt2(NH3)4(μ-CH3CO2)2]X2·nH2O (X2, n = (
ClO4)2, 2, 1; (
NO3)2, 1, 2; (
BF4)2, 4, 3; (PF6)2, 2, 4; (SiF6), 4, 5) 已制备。5 的晶体结构表明,由于
氨和
乙酸酯的氧原子之间形成氢键,可以给出无限二聚体链 [Pt2(NH3)4(μ-CH3CO2)2]n2n+,证明了我们的预测
N2O2 配位球可以作为氢键部分来帮助形成无限二聚体链。由
乙酸盐和氢氧化物
配体桥接的不对称二聚体,[Pt2(NH3)4(μ-CH3CO2)(μ-OH)](SiF6) (6),也被分离为 5 的副产物,并且类似的一维框架 [Pt2(NH3)4(μ-CH3CO2)(μ-OH)]n2n+