Metal complexes of Schiff base derived from 3-bromo, 5-chloro Salicyldehyde with Alanine: characterization, Molecular Modeling and Antibacterial activity study

  • Unique Paper ID: 156353
  • Volume: 9
  • Issue: 3
  • PageNo: 471-478
  • Abstract:
  • Biologically active tridentate Schiff base ligand derived from 3-bromo-5-chloro salicyldehyde with alanine(DL-Alanine) and their Fe(II), Co(II), Ni(II) and Cu(II) complexes have been synthesized and characterized by physical and spectroscopic techniques. The vibrational spectrum suggests that the Schiff base ligand coordinated to the metal ions in a tridentate manner with ONO donor sites of the nitrogen atom of the imine group, oxygen atom of carboxaloto group and with phenolic oxygen to give an octahedral geometry. TOF-Mass spectrum explains the successive degradation of the molecular species and justified ML2 complex. Electronic spectra and magnetic properties of the complexes are consistent with the proposed octahedral geometry. The structure optimization by MM2 calculation supports an octahedral geometry of the complexes. The preliminary in vitro antibacterial activity of all the complexes at two different concentrations was screened against four bacterial pathogens namely, Streptococcus, Salmonella typhi, Staphylococcus aureus and Escherichia coli showed moderate activity and slightly higher compared to the ligand.

Copyright & License

Copyright © 2025 Authors retain the copyright of this article. This article is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

BibTeX

@article{156353,
        author = {Bibhesh K Singh and Pinkee and Hament K. Rajor and Jagdish Chandra},
        title = {Metal complexes of Schiff base derived from 3-bromo, 5-chloro Salicyldehyde with Alanine: characterization, Molecular Modeling and Antibacterial activity study},
        journal = {International Journal of Innovative Research in Technology},
        year = {},
        volume = {9},
        number = {3},
        pages = {471-478},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=156353},
        abstract = {Biologically active tridentate Schiff base ligand  derived from 3-bromo-5-chloro salicyldehyde with alanine(DL-Alanine) and their Fe(II), Co(II), Ni(II) and Cu(II) complexes have been synthesized and characterized by physical and spectroscopic techniques.  The vibrational spectrum suggests that the Schiff base ligand coordinated to the metal ions in a tridentate manner with ONO donor sites of the nitrogen atom of the imine group, oxygen atom of carboxaloto group and with phenolic oxygen to give an octahedral geometry.  TOF-Mass spectrum explains the successive degradation of the molecular species and justified ML2 complex. Electronic spectra and magnetic properties of the complexes are consistent with the proposed octahedral geometry. The structure optimization by MM2 calculation supports an octahedral geometry of the complexes. The preliminary in vitro antibacterial activity of all the complexes at two different concentrations was screened against four bacterial pathogens namely, Streptococcus, Salmonella typhi, Staphylococcus aureus and Escherichia coli showed moderate activity and slightly higher compared to the ligand.},
        keywords = {Antibacterial activity, Metal complexes, Molecular modeling, Schiff base, Spectral studies,},
        month = {},
        }

Related Articles