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Cobalt(II), nickel(II) and copper(II) complexes of a Schiff base ligand: synthesis, structural characterization and luminescence properties

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Abstract

A Schiff base ligand (HL), 2,4-dimethoxy-N-(5-chloro-2-hydroxybenzylidene)-benzenamine, derived from 5-chloro-2-hydroxybenzaldehyde and 2,4-dimethoxyaniline, and its metal complexes [Co(L)2]·CH3OH (1), [Ni(L)2] (2), [Cu(L)2] (3) have been synthesized. The compounds were characterized by analytical and spectroscopic methods. In addition, the structures of the Schiff base HL and its Co(II) complex were determined by single-crystal X-ray analysis. The Co(II) center is six-coordinate, being coordinated to two imine nitrogen, two phenolate oxygen and two methoxy oxygen atoms of two crystallographically independent Schiff base ligands. Luminescence properties of HL and its complexes were investigated both in solution and in the solid state.

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Correspondence to İlyas Gönül.

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Appendix: Supplementary material

Appendix: Supplementary material

CCDC 1509986 and 1509987 contain the supplementary crystallographic data for the Schiff base HL and its complex [Co(L)2]·MeOH, respectively. The data can be obtained free of charge via www.ccdc.cam.ac.uk/datarequest/cif, by e-mailing data request@ccdc.cam.ac.uk or by contacting The Cambridge Crystallographic Data Centre 12 Union Road Cambridge CB2 1EZ, UK Fax: +44(0)1223-336033.

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Gönül, İ., Fakı, E., Ay, B. et al. Cobalt(II), nickel(II) and copper(II) complexes of a Schiff base ligand: synthesis, structural characterization and luminescence properties. Transit Met Chem 43, 73–81 (2018). https://doi.org/10.1007/s11243-017-0195-z

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  • DOI: https://doi.org/10.1007/s11243-017-0195-z

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