Structure Elucidation of Co (II) and Ni (II) Complexes of Monobasic Tridentate (SOO Donor) and Tetradentate (SOON Donor) Ligands

The ligands )-mercaptophenylacetohydroxamic acid (MPA-H) and )-mercapto-2-amino phenylacetohydroxamic acid (MAPA-H) and their four novel complexes with Co (II) and Ni (II) with specific formulae have been synthesized and characterised by elemental analyses, magnetic and conductance measurements, IR and electronic spectral studies. The ligand MPA-H and MAPA-H were found to behave in monobasic tridentate (SOO donor) and tetradentate (SOON donor) manner, respectively. All the synthesized complexes were non-electrolyte with magnetic moment ranging from 3.18 B.M. to 5.4 B.M. All the complexes were found to have octahedral geometry.

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