Abstract
In the title complex, [CuCl2(C17H11N3O2)2], the CuII ion is located on an inversion center. It exhibits a distorted octahedral coordination geometry defined by two chloride anions at trans sites and four 3-pyridyl N atoms at equatorial sites from two (6-nicotinoyl-2-pyridyl)(3-pyridyl)methanone ligands. The (6-nicotinoyl-2-pyridyl)(3-pyridyl)methanone ligand can be viewed as having two pendant 3-pyridyl rings attached to a central pyridyl skeleton via separate carbonyl bridges, acting in a κ2 N,N′-chelating mode with its 3-pyridyl N atoms bound to the CuII ion. The pendant 3-pyridyl rings make a dihedral angle of 80.76 (5)°. In the crystal, molecules are linked through intermolecular C—H⋯π and C—H⋯O interactions, forming a three-dimentional framework.
Highlights
In the title complex, [CuCl2(C17H11N3O2)2], the CuII ion is located on an inversion center
It exhibits a distorted octahedral coordination geometry defined by two chloride anions at trans sites and four 3-pyridyl N atoms at equatorial sites from two (6-nicotinoyl-2-pyridyl)(3-pyridyl)methanone ligands
The (6-nicotinoyl-2-pyridyl)(3-pyridyl)methanone ligand can be viewed as having two pendant 3-pyridyl rings attached to a central pyridyl skeleton via separate carbonyl bridges, acting in a 2N,N0 -chelating mode with its 3-pyridyl N
Summary
R factor = 0.029; wR factor = 0.084; data-to-parameter ratio = 18.3. In the title complex, [CuCl2(C17H11N3O2)2], the CuII ion is located on an inversion center. It exhibits a distorted octahedral coordination geometry defined by two chloride anions at trans sites and four 3-pyridyl N atoms at equatorial sites from two (6-nicotinoyl-2-pyridyl)(3-pyridyl)methanone ligands. The (6-nicotinoyl-2-pyridyl)(3-pyridyl)methanone ligand can be viewed as having two pendant 3-pyridyl rings attached to a central pyridyl skeleton via separate carbonyl bridges, acting in a 2N,N0 -chelating mode with its 3-pyridyl N atoms bound to the CuII ion. The pendant 3-pyridyl rings make a dihedral angle of 80.76 (5). Molecules are linked through intermolecular C—H and C—H O interactions, forming a three-dimentional framework
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