Assembled structures of tetrakis(biimidazole)dirhodium complexes hydrogen-bonded with common inorganic anions
Assembled structures of tetrakis(biimidazole)dirhodium complexes hydrogen-bonded with common inorganic anions
复制标题
常见无机阴离子氢键四(联咪唑)二铑配合物的组装结构
DOI：
10.1107/s2052520614021428
复制
发表时间：
2014
期刊：
影响因子：
--
通讯作者：
Masahiro Ebihara
中科院分区：
文献类型：
--
作者：
Jin-Long;Kazuhiro Uemura;Masahiro Ebihara
以四种双咪唑（H2bim）配体为配体，得到了八种新结构的镝配合物：[Rh2(H2bim)4(H2O)2](NO3)4·4H2O (I)、[Rh2(H2bim)4(H2O)2](ClO4)4 （II）、[Rh2(H2bim)4(MeOH)2](ClO4)4 （III）、[Rh2(H2bim)4(DMF)2](BF4)4 （IV）、[Rh2(H2bim)4(Mepy)2](SiF6)2·8H2O (V)、[{Rh2(H2bim)4(pz)}2(μ-pz)](ClO4)8·11.4H2O （VII）和[Rh2(H2bim)4(μ-pz)](SiF6) （VI）、[{Rh2(H2bim)4(pz)}2(μ-pz)](SiF6)(SiF6)2 (μ-pz)](SiF6)2·11.4H2O （VII）和[Rh2(H2bim)4(μ-pz)](SiF6)2·6H2O （VIII）。未桥接的Rh-Rh键距离在2.6313(8)和2.7052 (5)Å之间。钯单元呈交错构象，扭转角N-Rh-Rh-N为37.6(4)~ 48.98(8)°。配合物与阴离子之间的氢键形成了不同的组装结构：（IV）中的离散结构、（II）中的一维结构、(I)、（III）、（VI）、（VII）和（VIII）中的二维结构和(V)中的三维结构。
Eight new structures of dirhodium complexes, each with four biimidazole (H2bim) ligands, were obtained: [Rh2(H2bim)4(H2O)2](NO3)4·4H2O (I), [Rh2(H2bim)4(H2O)2](ClO4)4·5H2O (II), [Rh2(H2bim)4(MeOH)2](ClO4)4 (III), [Rh2(H2bim)4(DMF)2](BF4)4 (IV), [Rh2(H2bim)4(Mepy)2](SiF6)2·8H2O (V), [{Rh2(H2bim)4(pz)}2(μ-pz)](SiF6)(ClO4)6·12.7H2O (VI), [{Rh2(H2bim)4(pz)}2(μ-pz)](ClO4)8·11.4H2O (VII) and [Rh2(H2bim)4(μ-pz)](SiF6)2·6H2O (VIII). The unbridged Rh—Rh bond distances range between 2.6313 (8) and 2.7052 (5) Å. The dirhodium units adopt a staggered conformation with torsion angles N—Rh—Rh—N of 37.6 (4)–48.98 (8)°. Various assembled structures were constructed by hydrogen bonding between the complexes and the anions: a discrete structure in (IV), one-dimensional structure in (II), two-dimensional structures in (I), (III), (VI), (VII) and (VIII) and a three-dimensional structure in (V).