Synthesis, spectroscopic and thermal studies of some IIB group complexes with a
new N2-Schiff base ligand

Spectrochimica Acta Part A 81 (2011) 122– 127

Morteza Montazerozohori, Sara Khani, Hosein Tavakol, Ahmad Hojjati, Mostafa Kazemi

Abstract

Synthesis, spectroscopic and thermal studies of some complexes of a new N2-Schiff base ligand of N1,N2- bis((E)-2-methyl- 3-phenylallylidene)ethane-1,2-diamine (L) with a general formula of MLX2 (M = Zn(II), Cd(II) and Hg(II); X = Cl−, Br−, I−, SCN− and N3
−) are described. The ligand and its complexes were characterized by elemental analysis, molar conductance, UV–vis spectra, FT-IR spectra, MS, 1H NMR and 13C NMR spectra. The conductivity measurement as well as spectral data indicated that the complexes are non-electrolyte. 1H and 13C NMR spectra have been studied in DMSO-d6 and/or CDCl3. The thermal behavior of the complexes shows weight loss by decomposition of the anions and ligand segments in the subsequent steps. Activation thermodynamic parameters of decomposition such as E*, H*, S* and G* were calculated from TG curves.