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Synthesis and characterization of β-Diketimine Schiff base complexes with Ni(II) and Zn(II) Ions: Experimental and Theoretical Study

Saraireh, I.A.M., Altarawneh, M.ORCID: 0000-0002-2832-3886, Alhawarin, J., Salman, M., Abu-Yamin, A.A. and Alasad, R. (2019) Synthesis and characterization of β-Diketimine Schiff base complexes with Ni(II) and Zn(II) Ions: Experimental and Theoretical Study. Journal of Chemistry, 2019 . art. no. 4561013.

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Abstract

Schiff base diethyl 4,4-(pentane-2,4-diylidenebis(azanylylidene))benzoate (1) as a new ligand (L) was prepared by the reaction of acetylacetone with benzocaine in the ratio of 1 : 1. Two transition-metal complexes, [Ni(II)(LCl(HOEt))] (2) and [Zn(II)(LCl(HOEt))] (3), have been synthesized from metal salts with didentate Schiff base ligand (L) and characterized by elemental analyses, FT-IR, 1H NMR, 13C NMR UV-Vis spectroscopy, and magnetic susceptibility. The biological activity of the complexes was studied. In addition, the M06-2x density function theory method and the 6-31G(d) basic set were applied to determine the optimized structures of 1–3 and to determine their IR and 1H NMR, 13C NMR spectra theoretically. The data are in good agreement with the experimental results. The geometries of complexes 2 and 3 were determined to be square-planar for 2 and tetrahedral for 3.

Item Type: Journal Article
Murdoch Affiliation: School of Engineering and Information Technology
Publisher: Hindawi Publishing
Copyright: © 2019 Ibrahim A. M. Saraireh et al.
URI: http://researchrepository.murdoch.edu.au/id/eprint/45930
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