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Thermal and spectral studies of palladium(II) complexes

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Abstract

Palladium(II) complexes of type [Pd(L)Cl2] [where L=2-aminopyridine-N-thiohydrazide (L1), (2-aminopyridine-N-thio)-1,3-propanediamine (L2), benzaldehyde 2-aminopyridine-N-thiohydrazone (L3) and salicylaldehyde-2-aminopyridine-N-thiohydrazone (L4)] have been synthesized. The thiohydrazide, thiodiamine and thiohydrazones can exist as thione-thiol tautomer and coordinate as a bidentate N-S ligand. The ligands found to act in bidentate fashion.

The complexes have been characterized by elemental analysis, IR, mass, electronic, 1H NMR spectroscopic studies, and TG/DTA study. Antifungal studies of some complexes were also carried out. Various kinetic and thermodynamic parameters like order of reaction (n), activation energy (E a), apparent activation entropy (S #) and heat of reaction (ΔH) have also been carried out for one complex.

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Authors and Affiliations

  1. Department of Chemistry, University of Delhi, Delhi, 110007, India

    A. K. Mishra, N. Manav & N. K. Kaushik

  2. Department of Chemistry, University of the Free State, 9866, Free State, South Africa

    S. B. Mishra

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  1. A. K. Mishra
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  2. S. B. Mishra
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  3. N. Manav
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  4. N. K. Kaushik
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Correspondence to N. K. Kaushik.

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Mishra, A.K., Mishra, S.B., Manav, N. et al. Thermal and spectral studies of palladium(II) complexes. J Therm Anal Calorim 90, 509–515 (2007). https://doi.org/10.1007/s10973-006-7608-0

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  • DOI: https://doi.org/10.1007/s10973-006-7608-0

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