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Bioinorganic Chemistry and Applications
Volume 2009 (2009), Article ID 851316, 6 pages
Research Article

Synthesis, Spectroscopic, and Antimicrobial Studies on Bivalent Zinc and Mercury Complexes of 2-Formylpyridine Thiosemicarbazone

1Department of Chemistry, Zakir Husain College, University of Delhi, Jawaharlal Nehru Marg, New Delhi 110002, India
2ITS Paramedical College (Pharmacy), Delhi Meerut Road, Muradnagar, Ghaziabad 201206, India

Received 13 May 2008; Revised 1 February 2009; Accepted 6 February 2009

Academic Editor: Nick Katsaros

Copyright © 2009 Sulekh Chandra et al. This 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.


A series of metal complexes of Zn(II) and Hg(II) having the general composition [ M ( L ) 2 ] X 2 [where L = 2-formylpyridine thiosemicarbazone; M = Zn(II) and Hg(II); X = C l , N O 3 and 1 / 2 S O 4 2 ] have been prepared and characterized by elemental chemical analysis, molar conductance, and spectral (IR and mass) studies. The IR spectral data suggests the involvement of sulphur and azomethane nitrogen in coordination to the central metal ion. On the basis of spectral studies, a tetrahedral geometry has been assigned for Zn(II) and Hg(II) complexes. The free ligand and its metal complexes have been tested in vitro against a number of microorganisms in order to assess their antimicrobial properties.