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Synthesis and Characterization of Ni+2, Cu+2 and Zn+2 complexes with Benzoxazole-2-thionate, Diphenyl Phosphinomethane and Iodine

Author Affiliations

  • 1Department of Chemistry, College of Science, Mosul University, IRAQ
  • 2 Teachers Training Institute, Nineveh, IRAQ

Res.J.chem.sci., Volume 3, Issue (6), Pages 54-59, June,18 (2013)


The metal powder nickel, copper or zinc react with bis-benzoxazole disulfide (C14H8N2S2O2) (L) in refluxing toluene to give the complexes of the type [M(L)2], where M = Ni+2, Cu+2, Zn+2 and L = benzoxazole-2-thionate (C7H4NSO) through an oxidative addition reaction. The complexes of type [M(L)2Ph2P(CH2)PPh2] were prepared by the reaction of [M(L)2] with diphenylphosiphomethane in (1:1) and (2:2) molar ratio respectively. The reaction of some of the above complexes with iodine were also carried out. The complexes were characterized by IR, UV-Vis spectroscopy, metal content, elemental analysis, molar conductivity and magnetic measurements. Electronic and magnetic measurements indicate that some of the complexes have square planar geometry and the other contain tetrahedral geometry. Iodinated complexes behave as typical semi conductors and their conductivities were increases with temperature.


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