Quantum tunneling of hydrogen atom in dissociation of photoexcited methylamine

Ran Marom, Chen Levi, Tal Weiss, Salman Rosenwaks, Yehuda Zeiri, Ronnie Kosloff, Ilana Bar

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


The probability of hydrogen atom release, following photoexcitation of methylamine, CH3NH2, is found to increase extensively as higher vibrational states on the first excited electronic state are accessed. This behavior is consistent with theoretical calculations, based on the probability of H atom tunneling through an energy barrier on the excited potential energy surface, implying that N-H bond breaking is dominated by quantum tunneling.

Original languageEnglish
Pages (from-to)9623-9627
Number of pages5
JournalJournal of Physical Chemistry A
Issue number36
StatePublished - 16 Sep 2010

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry


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