Thermokinetic and spectral studies of niobium(V) complexes with 3-substituted-4-amino-5-mercapto-1,2,4-triazole Schiff bases

Thermokinetic and spectral studies of niobium(V) complexes with 3-substituted-4-amino-5-mercapto-1,2,4-triazole Schiff bases

Metal complexes of niobium(V) with 3-substituted-4-amino-5-mercapto-1,2,4-triazole Schiff bases have been synthesized in dry chloroform under a nitrogen atmosphere. They were characterized by elemental analysis, molar conductance, electronic, infrared, 1H-NMR spectroscopy and thermal studies. Parame...

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Bibliographic Details
Main Authors: KALAGOUDA B. GUDASI, PRABHUGOUDA B. MARAVALLI, TIMMANAGOUDA R. GOUDAR, SMILJANA RAICEVIC
Format: Article
Language:English
Published: Serbian Chemical Society 2005-04-01
Series:Journal of the Serbian Chemical Society
Subjects:
triazole Schiff bases
niobium(V)
thermal degradation
activation parameters
Online Access:http://www.shd.org.yu/HtDocs/SHD/vol70/No4/JSCS_V70_No4-10.pdf
Description
Summary:Metal complexes of niobium(V) with 3-substituted-4-amino-5-mercapto-1,2,4-triazole Schiff bases have been synthesized in dry chloroform under a nitrogen atmosphere. They were characterized by elemental analysis, molar conductance, electronic, infrared, 1H-NMR spectroscopy and thermal studies. Parameters, such as energy of activation (Ea), enthalpy (DH#), entropy (DS#) and Gibbs energy (DD#), were computed from the thermal decomposition data. Based on the spectral and thermal studies, a coordination number of seven is proposed.
ISSN:0352-5139

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