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Bis(3-chloro-benzoato-?(2) O,O')bis-(nicotinamide-?N)copper(II).

ABSTRACT: The mol-ecule of the title Cu(II) complex, [Cu(C7H4ClO2)2(C6H6N2O)2], contains two 3-chloro-benzoate (CB) and two nicotinamide (NA) ligands; the CB act as bidentate ligands, while the NA are monodentate ligands. The resulting CuN2O4 coordination polyhedron is a considerably distorted octahedron. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 17.92?(12) and 24.69?(16)°, while the two benzene rings and the two pyridine rings are oriented at dihedral angles of 52.20?(8) and 1.56?(6)°. In the crystal, N-H?N and C-H?O hydrogen bonds link the mol-ecules into a three-dimensional network. The ?-? contact between the benzene rings [centroid-centroid distance = 3.982?(2)?Å] may further stabilize the crystal structure.

SUBMITTER: Bozkurt N

PROVIDER: S-EPMC3772403 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Bis(3-chloro-benzoato-κ(2) O,O')bis-(nicotinamide-κN)copper(II).

Bozkurt Nihat N Dilek Nefise N Caylak Delibaş Nagihan N Necefoğlu Hacali H Hökelek Tuncer T

Acta crystallographica. Section E, Structure reports online 20130608 Pt 7

The mol-ecule of the title Cu(II) complex, [Cu(C7H4ClO2)2(C6H6N2O)2], contains two 3-chloro-benzoate (CB) and two nicotinamide (NA) ligands; the CB act as bidentate ligands, while the NA are monodentate ligands. The resulting CuN2O4 coordination polyhedron is a considerably distorted octahedron. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 17.92 (12) and 24.69 (16)°, while the two benzene rings and the two pyridine rings are oriented at dihedral angles o ...[more]

PMID: 24046546

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