Synthesis and characterization of new azo dye ligand derived from 4,4â�?²-
sulfonyl dianiline and 4-methy imidazole and its binuclear complexes with
Ni(II), Pd(II), Ag(I) and Au(III)

Sajid M. Lateef; Hussein K.AL-Hakiem; Noor Al-Huda Basim

Abstract

Synthesis and characterization of new azo dye ligand derived from 4,4â�?²- sulfonyl dianiline and 4-methy imidazole and its binuclear complexes with Ni(II), Pd(II), Ag(I) and Au(III)

Author(s): Sajid M. Lateef, Hussein K.AL-Hakiem and Noor Al-Huda Basim

The new azo ligand has been synthesized via reaction of 4-methyl imidazole and 4,4′-sulfonyl dianiline . This ligand has been characterized by different techniques such as, (IR, U.V-Vis) spectroscopy, (1H, 13C) NMR spectra, GCMass spectrum and micro-elemental analysis. Its Ni(II), Pd(II), Ag(I) and Au(III) binuclear complexes were prepared and characterized by (IR, U.V-Vis) spectroscopy, GC-Mass spectrum magnetic susceptibility, conductivity measurements, mole ratio study and atomic absorption. The ligand acts as binuclear and bidentate at the same time with (N,N) set donar and coordinates through nitrogen atom from azo group and nitrogen atom(N3) from imidazole ring . Octahedral geometry structure for Ni(II) complex, while square planar structure for Pd(II) and Au(III) complexes and tetrahedral geometry for Ag(I) complex were suggested.

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