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Acta Cryst. (2011). E67, m1164-m1165  [ doi:10.1107/S1600536811029941 ]

Diaquabis(N,N'-diethylnicotinamide-[kappa]N1)bis(4-fluorobenzoato-[kappa]O)copper(II)

H. Necefoglu, F. E. Özbek, V. Öztürk, V. Adigüzel and T. Hökelek

Abstract: The asymmetric unit of the title mononuclear CuII complex, [Cu(C7H4FO2)2(C10H14N2O)2(H2O)2], contains one-half of the molecule. The CuII ion is located on an inversion centre, and is coordinated by two N atoms from two diethylnicotinamide ligands, two O atoms from two 4-fluorobenzoate (PFB) ligands and two water molecules in a distorted octahedral geometry. In the PFB ligand, the carboxylate group is twisted at an angle of 2.10 (14)° from the attached benzene ring. In the crystal structure, intermolecular O-H...O hydrogen bonds link molecules related by translation along the a axis into chains. Weak intermolecular C-H...O hydrogen bonds and [pi]-[pi] interactions between the pyridine rings of neighbouring molecules [centroid-to-centroid distance = 3.571 (2) Å] further consolidate the crystal packing.

Online 30 July 2011


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