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Thermochemical Properties of Palladium(II) Chelates Involving Dialkyldithiocarbamates

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Abstract

The standard molar enthalpies of formation of crystalline dialkyldithiocarbamates chelates, [Pd(S2CNR2)2], with R=C2H5, n-C3H7, n-C4H9 and i-C4H9, were determined through reaction-solution calorimetry in acetone, at 298.15 K. From the standard molar enthalpies of formation of the gaseous chelates, the homolytic (172.4±3.8, 182.5±3.2,150.9±3.1 and 162.6±3.1 kJ mol−1) and heterolytic (745.0±3.8, 803.7±3.3,834.3±3.1 and 735.2±3.0 kJ mol−1) mean palladium-sulphur bond-dissociation enthalpies were calculated.

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Authors and Affiliations

  1. Departamento de Química, CCEN, Universidade Federal da Paraíba, 58059-900, João Pessoa, Paraíba, Brazil

    J. R. Botelho, A. G. Souza, L. M. Nunes, I. M. Garcia dos Santos & M. M. da Conceição

  2. Instituto de Quiacute;mica, Universidade Estadual de Campinas, 13083-970, Campinas, São Paulo, Brazil

    A. P. Chagas & P. O. Dunstan

Authors
  1. J. R. Botelho
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  2. A. G. Souza
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  3. L. M. Nunes
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  4. A. P. Chagas
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  5. I. M. Garcia dos Santos
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  6. M. M. da Conceição
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  7. P. O. Dunstan
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Correspondence to J. R. Botelho.

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Botelho, J.R., Souza, A.G., Nunes, L.M. et al. Thermochemical Properties of Palladium(II) Chelates Involving Dialkyldithiocarbamates. Journal of Thermal Analysis and Calorimetry 67, 413–417 (2002). https://doi.org/10.1023/A:1013912207743

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  • DOI: https://doi.org/10.1023/A:1013912207743

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