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Paper Details

Synthesis and Characterization of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes with 4-{(E)-[(2-chlorophenyl) imino] methyl} benzene-1,2-diamine

K. George Abraham, Manohar V. Lokhande and Sudhakar Bhusare

Journal Title:Journal of Chemical, Biological and physical sciences

The complexation of a series of new Schiff bases containing 4-{(E)-[(2-chlorophenyl)imino]methyl}benzene- 1,2-diamine moiety with some transition metal ions like Mn(II), Co(II), Ni(II) Cu(II)and Zn(II) with general stoichiometric ratio is 1:2 and molecular formula is [M(L2)nH2O]X [ where M= Mn(II), Co(II), Ni(II) Cu(II)and Zn(II)L= 4-{(E)-[(2-chlorophenyl)imino]methyl}benzene-1,2-diamine and X= Cl, Br, I] have been synthesized and characterized by elemental analyses, molar conductance measurements, magnetic susceptibility and spectral techniques like IR, UV-Visible, Mass ,TGA/DTA, ESR & X-ray powder diffraction. The complexes were found octahedral geometry. The mass spectral data confirms the monomeric structure of the metal complexes while the TGA/DTA studies confirm the presence of two water molecules in the complexes. The covalency factor (?), bonding parameter (b1/2) suggest the covalent nature of the complexes. The free Schiff base and its complexes have been tested for their antibacterial as well as antifungal activity by using disc diffusion method are discussed.