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Vol. 27 No. 3 (2015): Vol 27 Issue 3

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Synthesis, Characterization, Spectral and Antimicrobial Studies of Some Trivalent Ln(III) Metal Complexes with Ligands Containing ‘N’ and ‘O’ Donor Atoms

https://doi.org/10.14233/ajchem.2015.17144
Rajesh Kumar Mishra
Department of Chemistry, C.M. Science College, Lalit Narayan Mithila University, Darbhanga-846 004, India
B.G. Thakur
Department of Chemistry, C.M. Science College, Lalit Narayan Mithila University, Darbhanga-846 004, India

Corresponding Author(s) : Rajesh Kumar Mishra

mishrarajesh366@gmail.com

Asian Journal of Chemistry, Vol. 27 No. 3 (2015): Vol 27 Issue 3

Abstract

Ten new coloured solid complexes of type [ML2X2], Where M=La(III), Pr(III), Nd(III), Sm(III) & Dy(III), ‘L’ = Ligand i.e., N-(3-methyl-thiocarbamyl-5-oxo-2-pyrazolin-4-ylene-N'-(4'-antipyrine)hydrazine (HATP) and N-(3-methyl-1-thiocarbamyl-5-oxo-2-pyrazolin-4-ylene)-N'-(4'-benzothiazole)hydrazine (HBTP) and ‘X’=H2O have been synthesized and characterized by their elemental analysis, molar conductance values, magnetic susceptibilities, UV, IR and NMR spectral studies. Elemental analysis confirms 1:2 stoichiometry of the synthesized complexes. Spectral studies confirms that the ligand ‘HATP’ and ‘HBTP’ acts as tetradentate and tridentate, respectively and coordinates to central metal ion by ‘N’ and ‘O’ donor atoms. Complexes are ten and eight coordinated. Further the ligands and synthesized complexes have been screened for their antibacterial activity against some Gram-positive and Gram-negative bacteria.

Keywords

Synthesis Ln(III) Metal complexes
Kumar Mishra, R., & Thakur, B. (2015). Synthesis, Characterization, Spectral and Antimicrobial Studies of Some Trivalent Ln(III) Metal Complexes with Ligands Containing ‘N’ and ‘O’ Donor Atoms. Asian Journal of Chemistry, 27(3), 860–864. https://doi.org/10.14233/ajchem.2015.17144
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