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Journal of Coordination Chemistry
Year: 2011  |  Volume: 64  |  Issue: 13  |  Page No.: 2223 - 2233

Inclusion of an anion guest within a molecular host formed by (4,6−dimethyl−1,3−phenylene)bis(N , N −dibenzylmethane) and [CuCl4]2−/[TeCl6]2− through second-sphere coordination

Fang Guo, Shuang Zhang, Hong-Yu Guan, Na Lu and Wen-Sheng Guo    

Abstract: In this work, we have utilized the second-sphere coordination approach toward the construction of supramolecular inclusion solids Cl . 2H2O [H2L1]0.5 . [CuCl4]0.5 (Crystal 1) and Cl [H2L1] . [TeCl6]0.5 (Crystal 2). The chloride anions can be encapsulated inside the host assemblies formed by the diamine molecule (4,6−dimethyl−1,3−phenylene)bis(N,N−dibenzylmethane) (L1) and the metal complexes ([CuCl4]2− and [TeCl6]2−) via second−sphere coordination. The complexes have been structurally characterized by X−ray crystallography, indicating that weak C−H … Cl hydrogen−bonding synthons play a significant role in the construction of second−sphere coordination complexes. 2−D networks are formed in both complexes by the interconnection of 1−D networks through multiple C−H … Cl hydrogen−bonding interactions with [CuCl4]2− and [TeCl6]2−. The guest chlorides are encapsulated inside the host cages through N−H … Cl hydrogen bonds.

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