Synthesis, Spectroscopic, Structural Characterization, Conductivity and Electrochemical Studies of a Schiff Base Ligand and Its Copper Complexes
- 1 Department of Chemistry, Mekdela University, Tulu Awulia, Ethiopia
- 2 Department of Industrial Chemistry, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
- 3 Department of Chemistry, Hawassa University, Hawassa, Ethiopia
- 4 Department of Industrial Chemistry, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
Abstract
Schiff base ligand (L) derived from glyoxal and 4-aminoantipyrine was synthesized. The ligand (L) has been characterized by IR, NMR, electronic spectral studies and electrochemical studies. Cu(II) complexes of a Schiff bas e ligand (L) from 4-aminoantpyrine and glyoxal having the composition [CuL 1 ]X 2 where X = Cl ¯ or NO <sub>3</sub> ¯ have been prepared and characterized by elemental analysis, electrical conductivity in non-aqueous solvent, infrared and electronic, as well as cyclic voltammetric studies. L acts as a neutral tetradentate ligand coordinating through both the carbonyl oxygen and azomethine nitrogen. On both the complexes both the anions are not coordinated. A square planar geometry is assigned for complexes. The electrochemical studies of ligand show a typical cyclic voltammogram for an irreversible process. While copper(II) complexes show the typical cyclic voltammograms for quasi reversible process.
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