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Acta Cryst. (2012). E68, m908  [ doi:10.1107/S160053681202538X ]

Tetraaqua(2,2'-bipyridine-[kappa]2N,N')nickel(II) sulfate

S. Boonlue, C. Theppitak and K. Chainok

Abstract: The asymmetric unit of the title complex, [Ni(C10H8N2)(H2O)4]SO4, consists of a complex [Ni(bipy)(H2O)4]2+ cation (bipy = 2,2'-bipyridine) and a non-coordinating [SO4]2- anion. The NiII atom is six-coordinated in a distorted octahedral geometry defined by the two N atoms of the bipy ligand and four water O atoms. The crystal structure contains extensive classical O-H...O hydrogen bonds, which link the ions into a two-dimensional array in the ab plane. Layers are connected into a three-dimensional supramolecular structure by C-H...O interactions.

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