Ligational behaviour of biacetylmonoxime nicotinoyl hydrazone (H2BMNH) towards transition metal ions

Springer Science and Business Media LLC - 2013
Gaber M. Abu El-Reash1, Kamal M. Ibrahim1, Magdy M. Bekheit1
1Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt

Tóm tắt

The synthesis and characterization of MnII, CoII, NiII, CuII, ZnII, CdII UO 2 2+ , CrIII and FeIII complexes of biacetylmonoxime nicotinoyl hydrazone (H2BMNH) are reported. Elemental analysis, molar conductance, magnetic moment and spectral (i.r., visible and n.m.r.) measurements have been used to characterize the complexes. I.r. spectral data show that the ligand behaves in a bidentate and/or tridentate manner. An octahedral structure is proposed for the MnII, NiII, CrIII and FeIII complexes, while a square-planar structure is proposed for both CoII and CuII complexes on the basis of magnetic and spectral measurements.

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