A New One-Dimensional Platinum System Consisting of Carboxylate-Bridged <i>cis</i>-Diammineplatinum Dimers<sup>1</sup>
作者:Ken Sakai、Masao Takeshita、Yuko Tanaka、Takuma Ue、Masayuki Yanagisawa、Masaya Kosaka、Taro Tsubomura、Masamichi Ato、Takeo Nakano
DOI:10.1021/ja980055p
日期:1998.11.1
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+