Acta Crystallographica Section C

Crystal Structure Communications

Volume 61, Part 8 (August 2005)

metal-organic compounds


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Acta Cryst. (2005). C61, m380-m382    [doi:10.1107/S0108270105021591]

Di-[bold mu]-chloro-1:2[bold kappa]2Cl;3:4[bold kappa]2Cl-hexachloro-1[bold kappa]3Cl,4[bold kappa]3Cl-tetra-[bold mu]-dimethylglycine-2:3[bold kappa]8O:O'-tetracopper(II)

M. Ramos Silva, A. Matos Beja, J. A. Paixão and J. Martin-Gil

Abstract: The title compound, [Cu4Cl8(C4H9NO2)4], crystallizes in the centrosymmetric space group P21/c with a unit cell containing two tetranuclear copper(II) complexes sited on crystallographic inversion centres. The coordination geometry around the central Cu atoms is square pyramidal, with four O atoms in the basal plane and a Cl atom in the apical position. The lateral CuCl4 groups are flattened tetrahedral. The bridging dimethylglycine molecules are present in the dipolar zwitterionic form. The tetranuclear copper complexes exist as isolated entities since only intramolecular hydrogen bonds are found.

Formula: [Cu4Cl8(C4H9NO2)4]

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