Received 6 June 2013
aDepartment of Chemistry, Kafkas University, 36100 Kars, Turkey,bAksaray University, Department of Physics, 68100, Aksaray, Turkey,cDepartment of Physics, Sakarya University, 54187 Esentepe, Sakarya, Turkey, and dDepartment of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey
Correspondence e-mail: firstname.lastname@example.org
In the centrosymmetric dinuclear title compound, [Cd2(C7H4ClO2)4(C6H6N2O)2(H2O)2], the CdII atom is coordinated by one N atom from one bridging nicotinamide ligand and one O atom from another symmetry-related bridging nicotinamide ligand, four O atoms from two 3-chlorobenzoate ligands and one water molecule in an irregular geometry. The dihedral angles between the carboxylate groups and the adjacent benzene rings are 6.98 (12) and 2.42 (13)°, while the benzene rings are oriented at a dihedral angle of 4.33 (6)°. Intermolecular O-HO, N-HO and weak C-HO hydrogen bonds link the molecules into a three-dimensional network. - interactions, indicated by short centroid-centroid distances [3.892 (1) Å between the pyridine rings and 3.683 (1) Å between the benzene rings] further stabilize the structure.
For niacin, see: Krishnamachari (1974). For the nicotinic acid derivative N,N-diethylnicotinamide, see: Bigoli et al. (1972). For related structures, see: Hökelek et al. (2009a,b, 2010a,b); Necefoglu et al. (2011a,b); Greenaway et al. (1984).
Data collection: APEX2 (Bruker, 2012); cell refinement: SAINT (Bruker, 2012); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BQ2387 ).
The authors acknowledge the Aksaray University Science and Technology Application and Research Center, Aksaray, Turkey, for use of the Bruker SMART BREEZE CCD diffractometer (purchased under grant No. 2010K120480 of the State of Planning Organization).
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