The H + N2O → OH(2Π(ω), v', N') + N2 reaction: The microscopic mechanism at 1.5 eV

Mark Brouard, Itamar Burak, Simon D. Gatenby

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OH state-resolved angular scattering and kinetic energy release distributions for the reaction H + N2O → N2 + OH have been determined for the OH products born in the upper 2Π 1/2 spin-orbit state. Also presented are OH spin-orbit population propensities, and OH quantum state-resolved energy disposal data. The scattering dynamics show no sign of a dependence on OH spin-orbit state, despite a two-fold preferential population in favour of the lower OH spin-orbit state. The new data are discussed in the light of our own previous studies of the title reaction generating ground spin-orbit state OH products, and in the light of studies by other workers. Particular insight about the reaction mechanism is provided by the comparison with the photodissociation dynamics of HN3. The comparison is especially useful in aiding the interpretation of the OH quantum state dependence of the angular scattering distributions in the H + N2O reaction.

Original languageEnglish
Pages (from-to)715-722
Number of pages8
JournalPhysical Chemistry Chemical Physics
Issue number4
StatePublished - 15 Feb 2000


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