Abstract
Spectroscopic Elucidation of Some Complexes of Vanillin Semicarbazone
Navneet Sinha1, Rajnish Kumar2, Vijay Pratap Singh3, Deepak Kumar1 and Shivadhar Sharma1*
DOI : http://dx.doi.org/10.13005/ojc/370409
Abstract:
3-Phenyl-4-methoxybenzaldehyde undergoes condensation with semicarbazide hydrochloride to form a Schiff-base i.e. 3-phenyl-4-methoxybenzaldehyde semicarbazone (abbreviated as MBS). It undergoes complexation with Vanadium(II), Manganese(II), and Copper(II). The comparison of FTIR-spectra of complexes with that of free ligand helps ascertain the coordination points of ligand through the nitrogen of –CH=N– group and oxygen of group. The axial ligands have been varied by chloride, acetate and nitrate ions. The UV/Visible and ESR spectra of complexes predicts their tetragonally distorted octahedral (D4h) symmetry. The tetragonal distortion parameter (Dt) is observed maximum for chloride while it is minimum for nitrate along z-axis. Both vanillin and semicarbazide are established biologically active compounds and hence their biological activities may be enhanced by their complexation and than a versatile field may be developed for further exploration.
Keywords:ESR Spectra; 3-phenyl-4-methoxybenzaldehyde Semicarbazone; Tetragonal distortion; UV/Visible Spectra
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