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Diaqua-bis(2-bromo-benzoato-?O)bis-(nicotinamide-?N)zinc(II).

ABSTRACT: The title Zn(II) complex, [Zn(C(7)H(4)BrO(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], is centrosymmetric with the Zn atom on an inversion center. The mol-ecule contains two 2-bromo-benzoate (BB) and two nicotinamide (NA) ligands and two coordinated water mol-ecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Zn atom form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by the two N atoms of the NA ligands in the axial positions. The dihedral angle between the carboxyl group and the adjacent benzene ring is 31.14?(12)°, while the pyridine and benzene rings are oriented at a dihedral angle of 83.54?(5)°. In the crystal structure, O-H?O and N-H?O hydrogen bonds link the mol-ecules into infinite chains. A weak C-H?? inter-action is also present.

SUBMITTER: Hokelek T

PROVIDER: S-EPMC2977639 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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Diaqua-bis(2-bromo-benzoato-κO)bis-(nicotinamide-κN)zinc(II).

Hökelek Tuncer T Dal Hakan H Tercan Barış B Ozbek F Elif FE Necefoğlu Hacali H

Acta crystallographica. Section E, Structure reports online 20090430 Pt 5

The title Zn(II) complex, [Zn(C(7)H(4)BrO(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], is centrosymmetric with the Zn atom on an inversion center. The mol-ecule contains two 2-bromo-benzoate (BB) and two nicotinamide (NA) ligands and two coordinated water mol-ecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Zn atom form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by the two N atoms of the NA ...[more]

PMID: 21583825

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