Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)


metal-organic compounds



su2606 scheme

Acta Cryst. (2013). E69, m349-m350    [ doi:10.1107/S160053681301458X ]

Diaquabis(3-chlorobenzoato-[kappa]O)bis(nicotinamide-[kappa]N1)cobalt(II)

N. Bozkurt, N. Dilek, N. Çaylak Delibas, H. Necefoglu and T. Hökelek

Abstract: In the title complex, [Co(C7H4ClO2)2(C6H6N2O)2(H2O)2], the CoII atom is located on an inversion center and is coordinated by two 3-chlorobenzoate (CB) anions, two nicotinamide (NA) ligands and two water molecules. The four O atoms in the equatorial plane form a slightly distorted square-planar arrangement, while the slightly distorted octahedral coordination is completed by the two N atoms of the NA ligands in the axial positions. The dihedral angle between the carboxylate group and the adjacent benzene ring is 9.14 (9)°, while the pyridine and benzene rings are oriented at a dihedral angle of 82.18 (8)°. In the crystal, N-H...O and O-H...O hydrogen bonds link the molecules into a two-dimensional network lying parallel to (101). [pi]-[pi] stacking between parallel pyridine rings of adjacent molecules [centroid-centroid distance = 3.7765 (8) Å] further stabilizes the crystal structure.


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