Research in chemical kinetics. Progress report, July 20, 1988--August 30, 1989

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A major aspect of our research over the past decade under this contract has been the application of radioisotopes generated by nuclear reactions for the study of various kinetic mechanisms. Two general theoretical concepts have been explored in detail by this technique: (a) The addition of halogen atoms to olefins, which have been described for fifty years by the phrase {open_quotes}anti-Markownikoff{close_quotes} to indicate that the preference for one or the other end of an unsymmetric olefin is opposite to that ({open_quotes}Markownikoff addition{close_quotes}) for hydrogen halide addition. (b) The redistribution of internal energy within a molecule after an energetic addition reaction, ... continued below

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74 p.

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Rowland, F.S. September 1, 1996.

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Description

A major aspect of our research over the past decade under this contract has been the application of radioisotopes generated by nuclear reactions for the study of various kinetic mechanisms. Two general theoretical concepts have been explored in detail by this technique: (a) The addition of halogen atoms to olefins, which have been described for fifty years by the phrase {open_quotes}anti-Markownikoff{close_quotes} to indicate that the preference for one or the other end of an unsymmetric olefin is opposite to that ({open_quotes}Markownikoff addition{close_quotes}) for hydrogen halide addition. (b) The redistribution of internal energy within a molecule after an energetic addition reaction, for which the usual assumption is rapid equilibration into all available degrees of freedom, as calculated by the Rice-Rarnsperger-Kassel-Marcus (RRKM) model. In both instances, significant results have been obtained which expand the overall view of each of these two concepts.

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74 p.

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OSTI as DE96014670

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  • Other Information: PBD: [1996]

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  • Other: DE96014670
  • Report No.: DOE/ER/13469--T5
  • Grant Number: FG03-86ER13469
  • DOI: 10.2172/369698 | External Link
  • Office of Scientific & Technical Information Report Number: 369698
  • Archival Resource Key: ark:/67531/metadc679646

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  • September 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 3, 2015, 7:03 p.m.

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Rowland, F.S. Research in chemical kinetics. Progress report, July 20, 1988--August 30, 1989, report, September 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc679646/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.