Synthesis and Characterization of Tetraoxime Ligand, Bis-[(2E,3E,2´E)-3,3´-(1,2-Phenylene-Dinitrilo)dibutan-2-One Dioxime] and Its Dinuclear and Tetranuclear Copper(II)/Nickel(II) Complexes

Authors

NEVİN KARABÖCEK
PINAR EKMEKÇİOĞLU
ASLIGÜL KÜÇÜKDUMLU
SERDAR KARABÖCEK

DOI

10.3906/kim-0807-18

Abstract

A new tetraoxime, (H_4L), was prepared in EtOH by reacting biphenyl-3,3´,4,4´-tetramine with butane-2,3-dione oxime. The tetraoxime ligand was characterized by elemental analyses, H-NMR and ^{13}C-NMR, IR, and mass spectral studies. Dinuclear copper(II), nickel(II) and tetranuclear copper(II) complexes of tetraoxime ligand were prepared and characterized by elemental analyses, magnetic moments, IR, and mass spectral studies. In the dinuclear metal complexes, metal:ligand ratio was found as 2:1. Elemental analyses and stoichiometric and spectroscopic data of the metal complexes indicated that the metal ions were coordinated to the nitrogen atoms of oxime groups (C=N). In addition, total energy and heat formation for ligand and dinuclear Cu(II)/Ni(II) complexes by semiempirical PM3 calculations show that square-planar geometry is more stable than other geometries.

Keywords

Tetraoxime dinuclear, tetranuclear, copper and nickel complexes

First Page

99

Last Page

106

Recommended Citation

KARABÖCEK, NEVİN; EKMEKÇİOĞLU, PINAR; KÜÇÜKDUMLU, ASLIGÜL; and KARABÖCEK, SERDAR (2009) "Synthesis and Characterization of Tetraoxime Ligand, Bis-[(2E,3E,2´E)-3,3´-(1,2-Phenylene-Dinitrilo)dibutan-2-One Dioxime] and Its Dinuclear and Tetranuclear Copper(II)/Nickel(II) Complexes," Turkish Journal of Chemistry: Vol. 33: No. 1, Article 11. https://doi.org/10.3906/kim-0807-18
Available at: https://journals.tubitak.gov.tr/chem/vol33/iss1/11