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Temperature dependence of C3(X1Σg+) reactions with alkenes and alkynes, 295-610 K

Authors
Journal
Chemical Physics
0301-0104
Publisher
Elsevier
Publication Date
Volume
73
Issue
3
Identifiers
DOI: 10.1016/0301-0104(82)85182-3
Disciplines
  • Chemistry

Abstract

Abstract C 3 reaction rates with ethene, acetylene and various of their alkyl-substituted derivatives are measured in the temperature range 295–610 K. Reactions with ethene and acetylene have 6–8 kcal/mol activation energies which become negative for the multiply alkyl-substituted species. The reaction chemistry of C 3 is compared with similar species and we conclude that the mechanism involves electrophilic addition at the carbon-carbon multiple bond. Reaction rates are apparently pressure independent over the range of 5–100 Torr.

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