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Vol. 30 No. 11 (2018): Vol 30 Issue 11

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Synthesis and Characterization of Transition Metal(II) Schiff Bases Complexes Derived from 2,5-Dihalosalicylaldehyde and 4-Methyl-3-thiosemicarbazide

https://doi.org/10.14233/ajchem.2018.21438
Jai Devi
Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar-125 001, India
Manju Yadav
Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar-125 001, India
Som Sharma
Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar-125 001, India

Corresponding Author(s) : Jai Devi

jaya.gju@gmail.com

Asian Journal of Chemistry, Vol. 30 No. 11 (2018): Vol 30 Issue 11

Abstract

The metal complexes of cobalt(II), nickel(II) copper(II) and zinc(II) with Schiff bases [HL1-2] derived from 2,5-dichlorosalicylaldehyde/2,5-dibromosalicylaldehyde and 4-methyl-3-thiosemicarbazide were synthesized. The structure of all the compounds have been evaluated on the basis of elemental analysis, molar conductance measurements and spectroscopic studies like FT-IR, UV-visible, NMR, ESR and mass. The Schiff base ligands existed as NOS donor coordinating to metal ion through azomethine nitrogen, sulphur of thiosemicarbazide and oxygen of deprotonated phenolic group forming complexes of the type [M(L1-2)2] in 1:2 molar ratio. The spectroscopic data and physical measurement techniques suggested octahedral geometry around metal centres.

Keywords

Dibromosalicylaldehyde Spectroscopic studies Thiosemicarbazide Octahedral
Devi, J., Yadav, M., & Sharma, S. (2018). Synthesis and Characterization of Transition Metal(II) Schiff Bases Complexes Derived from 2,5-Dihalosalicylaldehyde and 4-Methyl-3-thiosemicarbazide. Asian Journal of Chemistry, 30(11), 2445–2449. https://doi.org/10.14233/ajchem.2018.21438
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