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Co(II), Ni(II), Cu(II) And Cr(III) Complexes Of Heterocyclic Schiff Base Ligand: Synthesis, Spectroscopic And Thermal Study

Volume 1 - Issue 2, August 2017 Edition
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A.P. Thakare, P. R. Mandlik
Pyrazoline, Metal complexes, IR, Electronic Spectra, Freemann-Caroll.
In the present atudy the Schiff base ligand was synthesized by condensing 1(3-chloro-6-hydroxy-2-methyl)ethanone with chlobenzaldehyde. From this ligand new transition metal complexes of Co(II), Ni(II), Cu(II) and Cr(III) with a Schiff base ligand 3-(3-chloro-6-hydroxy-2-methylphenyl)-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)(pyridin-4-yl)methanone were synthesized and characterized on the basis of elemental, 1H NMR, IR, Mass, Electronic Spectra and molar conductance data. The thermal data has been investigated to observed degradation pattern and kinetic parameters Entropy Change (∆S), Free Energy Change (∆F) and Frequency Factor (Z) were calculated using Freemann-Carol and Sharp-Wentwoth method.
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