Abstract
Nickel(II) and copper(II) complexes of two unsymmetrical tetradentate Schiff base ligands [Ni(Me-salabza)] (1), [Cu(Me-salabza)] (2) and [Ni(salabza)] (3), {H2salabza = N,N′-bis[(salicylidene)-2-aminobenzylamine] and H2Me-salabza = N,N′-bis[(methylsalicylidene)-2-aminobenzylamine]}, have been synthesized and characterized by elemental analysis and spectroscopic methods. The crystal structures of 2 and 3 complexes have been determined by single crystal X-ray diffraction. Both copper(II) and nickel(II) ions adopt a distorted square planar geometry in [Cu(Me-salabza)] and [Ni(salabza)] complexes. The cyclic voltammetric studies of these complexes in dichloromethane indicate the electronic effects of the methyl groups on redox potential.
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Partial support of this work by the Isfahan University of Technology Research Council is gratefully acknowledged.
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Supplementary material 1 Crystallographic data for 2 and 3 have been deposited with the Cambridge Crystallographic Data Centre as supplementary publications, CCDC reference numbers 876390 and 876389. These data can be obtained free of charge via http://www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; Fax: (+44) 1223-336-033; or Email: deposit@ccdc.cam.ac.uk)
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Meghdadi, S., Amirnasr, M., Bagheri, M. et al. Synthesis, crystal structure, and electrochemical properties of Ni(II) and Cu(II) complexes with two unsymmetrical N2O2 Schiff base ligands. J IRAN CHEM SOC 11, 985–991 (2014). https://doi.org/10.1007/s13738-013-0365-7
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DOI: https://doi.org/10.1007/s13738-013-0365-7