Molecular dynamics of methylamine following C-H and N-H vibrational excitation and promotion to the à state

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6 Scopus citations

Abstract

The molecular dynamics of methylamine, CH3NH2, was investigated via vibrationally mediated photodissociation. It was found that the ∼243.1 nm photolysis of initially excited N-H and C-H fundamental stretches and combinations and overtones of methyl deformation yields H photofragments. Surprisingly, the deformations promote the H atom release more effectively, implying mode-dependent enhancement of photodissociation in a relatively large molecule with a torsional degree of freedom. The H Doppler profiles correspond to low translational energies, supporting the dominant non-adiabatic N-H dissociation channel.

Original languageEnglish
Pages (from-to)11-16
Number of pages6
JournalIsrael Journal of Chemistry
Volume47
Issue number1
DOIs
StatePublished - 1 Dec 2007

ASJC Scopus subject areas

  • Chemistry (all)

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