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Acta Cryst. (2012). E68, m91  [ doi:10.1107/S160053681105481X ]

catena-Poly[[bis(acetato-[kappa]O)aquacopper(II)]-[mu]-5-(pyridin-3-yl)pyrimidine-[kappa]2N1:N5]

J.-F. Sun, G.-G. Hou and X.-P. Dai

Abstract: In the title compound, [Cu(CH3CO2)2(C9H7N3)(H2O)]n, the CuII ion is pentacoordinated in a square-pyramidal geometry. The N atoms of the two chelating symmetry-related 5-(pyridin-3-yl)pyrimidine ligands and the O atoms of the two monodentate acetate anions are nearly coplanar, with a mean deviation from the least-squares plane of 0.157 (2) Å and the CuII ion is displaced by 0.050 (3) Å from this plane towards the apical water O atom. Bridging through the bis-monodentate 5-(pyridin-3-yl)pyrimidine ligand forms a one-dimensional coordination polymer extending parallel to [010]. In the crystal, O-H...O hydrogen bonds link the molecules into a two-dimensional supramolecular structure parallel to (100). The crystal studied was an inversion twin with a 0.57 (3):0.43 (3) domain ratio.

Online 23 December 2011


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