The Thermal Decomposition of Haloacetic Acids: a Laser Pyrolysis and Semiempirical Study.

descriptionPublicationkeyboard_double_arrow_right Article 30 Jun 1997 Australia English Publisher:CSIRO PublishingJournal:Australian Journal of Chemistry, volume 50, pages 363-372 (issn: 0004-9425, eissn: 1445-0038,

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Authors: Hettema, Hinne; Hore, Nathan R.; Renner, Noel D.; Russell, Douglas K.;

doi: 10.1071/c96122

The Thermal Decomposition of Haloacetic Acids: a Laser Pyrolysis and Semiempirical Study.

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Abstract

Infrared laser-powered homogeneous pyrolysis, coupled with Fourier-transform infrared measurement of product distributions, has demonstrated that four different unimolecular mechanisms are significant in the initiation of gas-phase thermal decomposition of CH3COOH (1), CF3COOH (2), CH2ClCOOH (3), CHCl2COOH (4), CCl3COOH (5), CH2BrCOOH (6), and CH2ICOOH (7): decarboxylation and dehydration for (1); H-X elimination for (2)-(6); and C-X bond homolysis for (6) and (7). These conclusions are supported by the semiempirical calculation of activation energies for the possible pathways.

Country

Australia

Related Organizations

University of Queensland
Australia
University of Queensland
Australia

Keywords

1600 Chemistry

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