The title compound, [Co(C8H4NO2)2(H2O)2]n, which was obtained by the reaction of CoCl2·6H2O with 4-cyanobenzoic acid, is the first two-dimensional 4-cyanobenzoate cobalt(II) polymer. The Co atom lies on a centre of symmetry and its coordination polyhedron is a slightly distorted octahedron, defined by two water and four carboxylate O atoms. The 4-cyanobenzoate (cba) anion is bridging in a syn-skew coordination mode, which ensures a two-dimensional architecture with the building block Co4(cba)4.
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Document Type: Research Article
Publication date: 2004-10-01