European Journal of Chemistry 2017, 8(4), 328-332 | doi: https://doi.org/10.5155/eurjchem.8.4.328-332.1571 | Get rights and content

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Synthesis, characterization, magnetic, thermal and redox properties of oxovanadium(IV) complex of heterocyclic acid hydrazone


Jyothy Gopurathinkal Vijayan (1,*)

(1) Department of Chemistry, Christ University, Bengaluru-29, Karnataka, India
(*) Corresponding Author

Received: 30 Mar 2017 | Revised: 02 Jul 2017 | Accepted: 14 Aug 2017 | Published: 31 Dec 2017 | Issue Date: December 2017

Abstract


The hydrazone ligand obtained from 2-thiophene carboxaldehyde and nicotinic hydrazide reacts with equimolar mixture of vanadyl acetyl acetonate in methanol to yield oxovanadium(IV) complex with 2-thiophenecarba nicotinic hydrazone. The prepared compound shows effective solubility in organic solvents such as acetonitrile, DMF and DMSO. Molar conductivity data of the complex revealed its non-electrolytic behavior in DMF and DMSO. EPR spectra of 2-thiophenecarba nicotinic hydrazonato oxovanadium(IV) was recorded in DMF at LNT and g and A values were calculated. The complex was proposed to be square pyramidal in geometry. Cyclic voltammogram of the complex in DMF was studied by changing the scan rates 50, 100, and 200 mV/sec. ΔE values of the complex showed the reversible criterion and ipc/ipa values which were close to 1 indicating that the redox couple as reversible. Thermogram of the complex was recorded to find the weight loss at different temperature ranges. Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectra showed mass number of the molecular ions.


Keywords


EPR spectra; Square pyramidal; Cyclic voltammetry; MALDI-TOF spectra; Oxovanadium complex; 2-Thiophenecarbanicotinic hydrazine

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DOI: 10.5155/eurjchem.8.4.328-332.1571

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Funding information


Christ University, Bengaluru-29, Karnataka, India.

Citations

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[1]. Alice Prudente Borges, Claudia Cristina Gatto, Victor Marcelo Deflon, Pedro Ivo Da Silva Maia
A dimeric oxidovanadium(V) complex derived from a hydrazonate ligand with an unusual asymmetrically bridged μ-(oxido)μ-(H2O){oxidovanadium(V)}2 core
European Journal of Chemistry  11(1), 1, 2020
DOI: 10.5155/eurjchem.11.1.1-5.1948
/


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How to cite


Vijayan, J. Eur. J. Chem. 2017, 8(4), 328-332. doi:10.5155/eurjchem.8.4.328-332.1571
Vijayan, J. Synthesis, characterization, magnetic, thermal and redox properties of oxovanadium(IV) complex of heterocyclic acid hydrazone. Eur. J. Chem. 2017, 8(4), 328-332. doi:10.5155/eurjchem.8.4.328-332.1571
Vijayan, J. (2017). Synthesis, characterization, magnetic, thermal and redox properties of oxovanadium(IV) complex of heterocyclic acid hydrazone. European Journal of Chemistry, 8(4), 328-332. doi:10.5155/eurjchem.8.4.328-332.1571
Vijayan, Jyothy. "Synthesis, characterization, magnetic, thermal and redox properties of oxovanadium(IV) complex of heterocyclic acid hydrazone." European Journal of Chemistry [Online], 8.4 (2017): 328-332. Web. 8 Dec. 2021
Vijayan, Jyothy. "Synthesis, characterization, magnetic, thermal and redox properties of oxovanadium(IV) complex of heterocyclic acid hydrazone" European Journal of Chemistry [Online], Volume 8 Number 4 (31 December 2017)

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