Redetermination of poly[aquadi-μ(3)-oxy-diacetato-dicopper(II)]
1School of Materials and Chemical Engineering and Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tianjin Polytechnic University, Tianjin 300160, People's Republic of China.
Abstract:
The title complex, [Cu(2)(C(4)H(4)O(5))(2)(H(2)O)](n), has a two-dimensional layer structure. The Cu atom has a distorted octa-hedral (CuO(6)) environment and is coordinated by four carboxyl-ate group O atoms from three different oxydiacetate ligands in a planar arrangement and one half-occupancy water mol-ecule and an ether O atom in the axial positions. In the crystal structure, weak intra- and inter-molecular O-H⋯O hydrogen bonds help to stabilize the crystal packing. The structure has already been published [Whitlow & Davey (1975 ▶). J. Chem. Soc. Dalton. Trans. pp. 1228-1232]; this redetermination reports the structure with higher precision.
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