Acta Cryst. (2003). E59, m750-m752  [ doi:10.1107/S1600536803017574 ]

Polymeric aqua(benzimidazole-N)(-malonato)cobalt(II)

Y.-H. Xue, D.-D. Lin and D.-J. Xu

Abstract: The crystal structure of the title compound, [Co(C₃H₂O₄)(C₇H₆N₂)(H₂O)]_n, consists of two-dimensional polymeric Co^II complex layers. The octahedral coordination around a Co^II atom is composed of a chelate malonate, two monodentate malonate anions from the adjacent asymmetric unit, a bezimidazole ligand and a coordinated water molecule. Each malonate dianion links three Co^II atoms related by an n-glide plane to form polymeric layers in the (010) plane. - stacking of the benzimidazole ligands occurs between adjacent polymeric layers, the separation between parallel benzimidazole rings being 3.42 (2) Å.

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