✦ LIBER ✦

The dynamics of reactions of O(3P) atoms with allene and methylacetylene

✍ Scribed by M.C. Lin; R.G. Shortridge; M.E. Umstead

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 552 KB
Volume: 37
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(76)80215-1

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✦ Synopsis

The reactions of O(3P) atoms with allene and mcthylacetylcne: 0 + CH2=C=CHL 5 CO +C2HG, a@ = -119.4 kcal/mole, 0 + CH3-GCH 2 CO + C,E&,, 44 = -1!7.8 kcd/mole were studied at 293 K with a CO kser resonant absorption and ZI dischzqe-flow CC-sampling method. The CO formed in rcacrion (1) wax ibund to have a vibrational temperature of.5100 5 100 K, compared with 2400 + 200 Kin (1). The good agreement between the observed CO vibrational distributions and those predicted by simple statislical models indic=ltes that the reaction energies were completely randomized_ The present results also showed 1Inumbiguously that CH3CH, instead of CzH4, was produced initially in reaction (2).

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