Acta Cryst. (2009). E65, m1356  [ doi:10.1107/S1600536809039592 ]

Bis[2-(benzimidazol-2-ylsulfanyl)acetato]bis(2,2'-bipyridine)cadmium(II)

L. Cheng, Y.-Y. Sun, J.-Q. Wang and Y.-W. Zhang

Abstract: In the structure of the title compound, [Cd(C₉H₇N₂O₂S)₂(C₁₀H₈N₂)₂], the complex molecules are located on a crystallographic twofold rotation axis and the Cd^II ion is octahedrally coordinated by two chelating 2,2'-bipyridine ligands and two O atoms from the carboxylate groups of two 2-(benzimidazol-2-ylsulfanyl)acetate ligands. The two carboxylate ligands adopt a cis configuration with respect to each other. Within each of these ligands, the imidazole fragments are bent back in a loop towards the acetyl groups, forming intramolecular N-HO hydrogen bonds, which help to stablilize the mononuclear complex. Adjacent molecules are further linked by weak C-HO hydrogen bonds, resulting in a chain along the c axis.

Online 13 October 2009

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