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Three new ligands have been prepared in this work, which were chosen to synthesis a new set of transition metal complexes [Cu (II), Ni (II), Hg (II), Cd (II) and Co (II)]. LI=(2[5phenyl2methylthio1,3,4oxadizole]5phenyl1,3,4oxadiazole), LII=2(Ochloro benzylidine) hydrazine benzothiazole and LIII=2(phydroxy benzylidine) hydrazine benzothiazole were prepared by Schiff reaction between 2mercaptobenzothiazole and 2chlorobenzaldehyde and phydroxy benzaldehyde. The new ligands were characterized by the Infrared spectroscopy and melting points. The metal complexes, were prepared and isolated in pure solid state, and found to be stable toward light, heat and moisture. These new complexes were characterized via FT.IR , UVVis Spectroscopy, magnetic and conductivity measurements. In addition the metal contain were determind by atomic absorption measurement. Different bonding and structural behavior were revealed through the study of the coordination chemistry of the metal complexes of the new ligands.
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