Abstract
Coordination complexes of Cu(II),Co(II), Ni(II), Mn(II) and Fe(III)with Schiff bases derived from 3-(4-chlorophenoxymethyl)-4-amino-5-mercapto-1, 2, 4-triazole and substituted aldehydes have been synthesized. The complexes were characterized by elemental analysis, conductivity measurements, magnetic susceptibility data, electronic, IR, ESR and1H NMR spectral data. On the basis spectroscopic studies, the Schiff base is monobasic bidentate ligand having the composition ML2(2H2O) Where M = Cu(II), Co(II), Ni(II) ,Mn(II), ML2(H2O)Cl Where M = Fe(III). Various physicochemical data suggest a six coordinated octahedral geometry for Cu(II),Co(II), Ni(II), Mn(II) and Fe(III) complexes. The antibacterial activities of ligand and its complexes were screened by cup plate method.
Highlights
Schiff bases are important class of ligands in coordination chemistry and their complexing ability containing different donor atom is widely reported
The chemistry of transition metal complexes containing heterocyclic donor continues to be of interest on account of their biological importance
The present Cu(II) complex is devoid of any spin interaction with octahedral geometry
Summary
Schiff bases are important class of ligands in coordination chemistry and their complexing ability containing different donor atom is widely reported. The present study describes the synthetic and structural studies of bivalent transition metal Cu(II),Co(II), Ni(II), Mn(II) and Fe(III) complexes of Schiff base derived from 3-(4-Chlorophenoxymethyl)-4-amino-5mercapto-1,2,4-triazole with salicylaldehyde. The magnetic moment values for Cu(II), Co(II) ,Ni(II), Mn(II) and Fe(III) complexes of the ligand ClTHS are shown in Table[1].
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