Study Spectroscopic and Characterization of Mixed Ligand Complexes of Ni(II) with New Azo- Schiff-Base Ligand and Its Activity as Antibacterial

The study includes preparation and characterization of mixed azo-linked Schiff-base ligand with Ni(II) complexes. The starting material was isolated from the mixing of 4-amino antipyrine diazonium salt with 4-nitro aniline a 1:1 mole ratio in water. In this work, the formation of azo-linked Schiff-base ligand are reported. The complexes were prepared by mixing the azo-linked Schiff-base ligand as primary ligand, and sodium pyrophosphate as secondary ligands using metal: ligand in (1:1) mole ratio with molecular formula [Ni(C24H20O4N6)Cl2] , [Ni( C24H20O4N6)(Pyph)]. These complexes were characterized by spectral methods FTI.R, (U.V–Vis), mass spectroscopy, molar conductivity and melting point measurements. The complexes product gave square planer geometry.