Abstract
In the monomeric centrosymmetric title NiII complex, [Ni(C7H4BrO2)2(C10H14N2O)2(H2O)2], the NiII ion is located on an inversion center. The asymmetric unit contains one 2-bromobenzoate ligand, one diethylnicotinamide (DENA) ligand and one coordinated water molecule. The four O atoms in the equatorial plane around the NiII ion form a slightly distorted square-planar arrangement, while the slightly distorted octahedral coordination is completed by two N atoms of two DENA ligands in the axial positions. The dihedral angle between the benzene ring and the attached carboxylate group is 87.73 (15)°, while the pyridine and benzene rings are oriented at a dihedral angle of 42.48 (7)°. In the crystal structure, O—H⋯O hydrogen bonds link the molecules into a two-dimensional network parallel to (10). In addition, C—H⋯O hydrogen bonds are observed.
Highlights
[Ni(C7H4BrO2)2(C10H14N2O)2(H2O)2], the NiII ion is located on an inversion center
Atoms in the equatorial plane around the NiII ion form a slightly distorted square-planar arrangement, while the slightly distorted octahedral coordination is completed by two N atoms of two DENA ligands in the axial positions
The dihedral angle between the benzene ring and the attached carboxylate group is 87.73 (15), while the pyridine and benzene rings are oriented at a dihedral angle of 42.48 (7)
Summary
Özbekd and Hacali Necefoğlud a Department of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey, Department of Chemistry, Faculty of Science, Anadolu University, 26470. Yenibağlar, Eskişehir, Turkey, cDepartment of Physics, Karabük University, 78050. Turkey, and dDepartment of Chemistry, Kafkas University, 63100 Kars, Turkey. [Ni(C7H4BrO2)2(C10H14N2O)2(H2O)2], the NiII ion is located on an inversion center. The asymmetric unit contains one 2bromobenzoate ligand, one diethylnicotinamide (DENA). The four O atoms in the equatorial plane around the NiII ion form a slightly distorted square-planar arrangement, while the slightly distorted octahedral coordination is completed by two N atoms of two DENA ligands in the axial positions. O—H O hydrogen bonds link the molecules into a two-dimensional network parallel to (101).
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