metal-organic compounds
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In the title compound, [Co(C6H3ClNO2)2(H2O)4]·4H2O, the CoII cation is located on an inversion center and is coordinated by four water molecules and two 6-chloropyridine-3-carboxylate anions in a slightly distorted octahedral geometry. In the crystal, complex molecules and lattice water molecules are linked by O—HO and O—HN hydrogen bonds into a three-dimensional network.