ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): M. Yadav, Sabha Raj, Archana Yadav

Email(s): yadav_drmahendra@yahoo.com

DOI: Not Available

Address: M. Yadav1* Sabha Raj2 and Archana Yadav1
1Department of Applied Chemistry, ISM Dhanbad-826004, India
2Department of Chemistry, SDJ PG College, Azamgarh, UP
Corresponding author:

Published In:   Volume - 5,      Issue - 1,     Year - 2012


ABSTRACT:
Molybdenum and tungsten complexes of the type M2O4L2(H2O)2, where M = Mo(V), W(V), LH = N-nicotinoyl-N?-2-thiophenethiocarbohydrazide (H2NTTH), have been synthesized and characterized by using elemental analysis, magnetic susceptibility measurements, infrared spectra, 1HNMR, 13CNMR,ESR.and X-ray spectroscopic studies. Molar conductance measurements in DMF show non-ionic behaviour of all the complexes. Magnetic susceptibility measurements indicate diamagnetic nature of the complexes. Although the complexes are ESR inactive, +V oxidation state of metal ions in octahedral geometry has been suggested on the basis of electronic spectral studies. IR and electronic spectral studies indicate dinuclear - type of complexes with M2O42+ moiety. IR spectral data suggest monoanionic bidentate mode of bonding for the ligand. The 1H NMR and 13C NMR spectra are found to be in good agreement with the proposed stoichiometry. X-ray powder diffraction of the complexes exhibit amorphous nature of the complexes.


Cite this article:
M. Yadav, Sabha Raj, Archana Yadav. Synthesis and Characterization of Molybdenum and Tungsten Complexes of N-Nicotinoyl-N-2-Thiophenethiocarbohydrazide. Asian J. Research Chem. 5(1): January 2012; Page 79-82.


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DOI: 10.5958/0974-4150 

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