Acta Cryst. (2013). E69, m19
[ doi:10.1107/S1600536812049410 ]

Tetrakis[-2-(methoxycarbonyl)benzoato-²O¹:O^1']bis[(acetonitrile-N)copper(II)](Cu-Cu)

J. Wang, C. Wang, Z. Wang and B. Yang

Abstract: In the binuclear copper(II) title complex, [Cu₂(C₉H₇O₄)₄(C₂H₃N)₂], an inversion centre is situtated at the mid-point of the Cu-Cu bond. The Cu^II atom together with its four coordinated O atoms are in a distorted planar square arrangement while the nitrogen and the other Cu^II atom are located in apical positions. The whole molecule looks like a paddle-wheel. In the crystal, chains are assembled along the b axis through C-HO hydrogen bonds and slipped - interactions between the benzene rings of neighbouring molecules [centroid-centroid distance = 3.6929 (3) Å and slippage = 0.641 (1) Å].

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