Abstract
The metal chelates of Iridium, platinum and gold with schiff base were synthesized using metal perchlorates of the respective metal ions, and schiff base formation was done by reaction of anthranilic acid and ortho hydroxybenzaldehyde in ethanolic environment. Various analytical techniques, like, UV–Visible, FT-IR, elemental analysis, molar conductance and magnetic susceptibility have been used for crystal structural analysis. A general formula of the type [M (HL) OH] of the metal complexes have been proposed by elemental and spectral analysis. The ligand to metal ratio was found to be 1:1 in all the metal chelate complexes. As per the Infrared spectral data study the interaction of oxygen (phenolic OH and acidic COOH) and an azomethine nitrogen of ligand have been found to coordinate tridentately with central metal ion. For the synthesis of metal chelate complexes the utilized activation energy was evaluated by the broido method. The synthesized metal chelate complexes and the parent ligands were analyzed also for the antibacterial activity determination against gram positive (B. subtilis, Bacillus anthracis) and gram negative (Yersinia pestis, Escherichia coli) bacterial species.
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