Gas-phase photodissociation of AuCH2 +

The dissociation threshold of jet-cooled and rotationally thermalized ions

Fernando Aguirre, John Husband, Christopher J. Thompson, Ricardo B. Metz

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The photofragment spectra of jet-cooled and rotationally thermalized AuCH2 + are reported. Two channels are observed: loss of H2 and loss of CH2 with a branching ratio of 1.4:1 over the region studied. The presence of a threshold at 322 nm for the dissociation of jet-cooled AuCH2 + to Au++CH2 implies the upper limit D0 o(Au+-CH2)≤372±3 kJ mol-1. The dissociation threshold of ions rotationally thermalized in an ion trap shifts to lower energy by the amount of parent rotational energy.

Original languageEnglish
Pages (from-to)466-470
Number of pages5
JournalChemical Physics Letters
Volume318
Issue number4-5
Publication statusPublished - Feb 25 2000

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Photodissociation
photodissociation
Gases
dissociation
Ions
vapor phases
thresholds
ions
energy
shift

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

Cite this

Gas-phase photodissociation of AuCH2 + : The dissociation threshold of jet-cooled and rotationally thermalized ions. / Aguirre, Fernando; Husband, John; Thompson, Christopher J.; Metz, Ricardo B.

In: Chemical Physics Letters, Vol. 318, No. 4-5, 25.02.2000, p. 466-470.

Research output: Contribution to journalArticle

Aguirre, Fernando ; Husband, John ; Thompson, Christopher J. ; Metz, Ricardo B. / Gas-phase photodissociation of AuCH2 + : The dissociation threshold of jet-cooled and rotationally thermalized ions. In: Chemical Physics Letters. 2000 ; Vol. 318, No. 4-5. pp. 466-470.
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