Acta Cryst. (2011). E67, m1158-m1159  [ doi:10.1107/S1600536811029709 ]

Bis(₂-2-chlorobenzoato-²O:O')bis[(2-chlorobenzoato-O)(1,10-phenanthroline-²N:N')copper(II)] dihydrate

Z.-F. Zhang

Abstract: In the title compound, [Cu₂(C₇H₄ClO₂)₄(C₁₂H₈N₂)₂]·2H₂O, the two crystallographically independent dinuclear complex molecules, A and B, have different CuCu separations, viz. 3.286 (1) Å in A and 3.451 (1) Å in B. Both independent molecules reside on inversion centres, so the asymmetric unit contains a half-molecule each of A and B and two water molecules. Each Cu atom has a square-pyramidal environment, being coordinated by two O atoms from two bridging 2-chlorobenzoate ligands, one O atom from a monodentate 2-chlorobenzoate ligand and two N atoms from a 1,10-phenanthroline ligand. The water molecules can also be considered as coordinating ligands, which complete the coordination geometry up to distorted octahedral with elongated Cu-O distances, viz. 3.024 (3) Å in A and 2.917 (3) Å in B. In the crystal, weak intermolecular C-HO interactions contribute to the consolidation of the crystal packing.

Online 30 July 2011

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