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Nuclear motion captured by the slow electron velocity imaging technique in the tunnelling predissociation of the S1 methylamine.
Ahn, Doo-Sik; Lee, Jeongmook; Park, Young Choon; Lee, Yoon Sup; Kim, Sang Kyu.
Afiliación
  • Ahn DS; Department of Chemistry, KAIST, Daejeon 305-701, South Korea.
J Chem Phys ; 136(2): 024306, 2012 Jan 14.
Article en En | MEDLINE | ID: mdl-22260578
Predissociation dynamics of methylamines (CH(3)NH(2) and CH(3)ND(2)) on the first electronically excited states are studied using the slow-electron velocity imaging method to unravel the multi-dimensional nature of the N-H(D) chemical bond dissociation reaction which occurs via tunnelling. The nearly free internal rotation around the C-N bond axis is found to be strongly coupled to the reaction pathway, revealing nuclear motions actively involved in the tunnelling process on the S(1) potential energy surfaces. The vibrational state-resolved energy and angular distributions of photoelectron, ejected from the ionization mediated by the metastable intermediate S(1) state provide a unique way for mapping the predissociative potential energy surfaces.
Asunto(s)

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Teoría Cuántica / Electrones / Metilaminas Idioma: En Revista: J Chem Phys Año: 2012 Tipo del documento: Article País de afiliación: Corea del Sur

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Teoría Cuántica / Electrones / Metilaminas Idioma: En Revista: J Chem Phys Año: 2012 Tipo del documento: Article País de afiliación: Corea del Sur