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Abstract : Saccharine and its complexes have critical importance with biological and pharmacological properties. The main objective of this study was to synthesize the mixed ligand complexes from the complexes [M (Sac)2 (H2O)2] [M: Zn(II), Cd(II), Hg(II), Fe(III), Ni(II) and Cu (II) with a second ligand (acac), The structures of the complexes were characterized by elemental analysis, FT-IR, magnetic susceptibility, UV-VIS., molar conductivity, According to the experimental results, it was determined that saccharin complexes coordinated with four molecules of H2O and two molecules of saccharin, second step include established four molecules of H2O to the second ligand (acac) it was coordinated to the metal ions via oxygen atom of carbonyl group in saccharin and acetylacetonato, In antibacterial activity, study was determined to occur significant inhibition zones, It is obtained that the complexes exhibited the highest inhibition zone in compared with the free two ligands.

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