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Acta Cryst. (2012). E68, m1393
[ doi:10.1107/S160053681204322X ]

Tetraaquabis(6-chloropyridine-3-carboxylato-[kappa]O)nickel(II) tetrahydrate

Q.-H. Xia, Z.-F. Guo, L. Liu, J.-Q. Lv and B. Li

Abstract: In the title compound, [Ni(C6H3ClNO2)2(H2O)4]·4H2O, the NiII ion is located on an inversion centre and is octahedrally coordinated by four O atoms from four water molecules in the equatorial plane and two O atoms of two 6-chloro-3-carboxylate ligands in axial positions. There are also four lattice water molecules present. The organic ligands are bound to the NiII ion in a monodentate manner through a carboxylate O atom. There is one strong intramolecular O-H...O hydrogen bond and six intermolecular O-H...O and O-H...N hydrogen-bonding interactions in the packing, resulting in a complex three-dimensional network structure.

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