Synthesis, Characterization and Spectral Studies of a New Azo-Schiff base Ligand Derived from 3,4-diamino benzophenone and its Complexes with Selected Metal Ions
DOI:
https://doi.org/10.6084/rjas.v1i1.251Keywords:
3,4-diamino benzophenone, Azo- Schiff base, Transition metal complexes, Spectral studies.Abstract
The complexes of Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Pt(II), and Au(III) were prepared from the complexation reaction between the new Azo -Schiff base ligand and Selected Metal Ions. This ligand (3,4-bis(((1E)-1-(2-((2,4-dihydroxy-6- methylphenyl) diazenyl) phenyl) ethylidene) amino) phenyl) (phenyl) methanone) was derived from the condensation reaction of 3,4-diamino benzophenone, 2-amino acetophenone, and 3,5-dihydroxy toluene. The ligand was characterized by C.H.N elemental analysis, Uv-Vis, FT-IR, 1H-NMR, and mass spectra studies, its complexes characterized by C.H.N elemental analysis, Uv-Vis, FT-IR, mass of Ni(II) complex and 1H-NMR of Zn(II) complex, molar conductivity, Atomic absorption, magnetic moment measurements. The results of this studies show the coordination sites for the ligand with the metal ion were to be through oxygen of the hydroxyl group, and the nitrogen of azomethine group and the nitrogen of azo group. The electronic spectral and magnetic measurement data predict octahedral structure of the complexes, except for Pt(II) and Au(III) complexes were suggested a square planar geometry. All complexes show that non electrolytes properties and no conductive species but Pt(II) and Au(III) complexes are electrolyte nature.
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