Abstract
The crystal structure of the title compound, (C12H12N2)(C12H11N2)[Mo(CN)8]·4H2O, consists of 4,4′-(ethene-1,2-diyl)dipyridinium and 4-[2-(pyridin-4-yl)ethenyl]pyridinium cations disordered over the same site, an [Mo(CN)8]3− anion and four water molecules of crystallization. The eight-coordinate [Mo(CN)8]3− unit exhibits a slightly distorted square-antiprismatic geometry. In the structure, the cations (crystallographic symmetry, 2) and anions (crystallographic symmetry, 222) are arranged alternately by N—H⋯O and O—H⋯N hydrogen bonds, forming layers parallel to the bc plane. These layers are further linked through O—H⋯N hydrogen bonds, generating a three-dimensional supramolecular network.
Highlights
The crystal structure of the title compound, (C12H12N2)(C12H11N2)[Mo(CN)8]4H2O, consists of 4,40 -(ethene-1,2-diyl)dipyridinium and 4-[2-(pyridin-4-yl)ethenyl]pyridinium cations disordered over the same site, an [Mo(CN)8]3 anion and four water molecules of crystallization
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Summary
The crystal structure of the title compound, (C12H12N2)(C12H11N2)[Mo(CN)8]4H2O, consists of 4,40 -(ethene-1,2-diyl)dipyridinium and 4-[2-(pyridin-4-yl)ethenyl]pyridinium cations disordered over the same site, an [Mo(CN)8]3 anion and four water molecules of crystallization. Xiao-Zhen Yang,a Ai-Yun Hub and Ai-Hua Yuanb* Received 24 January 2013; accepted 29 January 2013 Orthorhombic, Ccca a = 12.403 (3) Å
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