Fermi resonance interaction in hetero-dimer and trimer ions containing aniline+

Yoshiya Inokuchi, Keijiro Ohshimo, Kazuhiko Ohashi, Yoshiki Honkawa, Hiroshi Sekiya, Nobuyuki Nishi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Vibrational spectra of hetero-dimer and trimer ions containing aniline+ are measured by infrared photodissociation spectroscopy. For the dimer ions, the NH2-bending overtone band gains its intensity through Fermi resonance interaction with the hydrogen-bonded NH stretching fundamental. Unperturbed frequencies of the NH2-bending overtone are calculated to be in the range of 3255-3276 cm-1, suggesting that the frequency is almost intact upon cluster formation. For the trimer ions, Fermi resonance interaction occurs mainly between the NH2-bending overtone and the stretching fundamental of the NH oscillator involved in the stronger hydrogen bond.

Original languageEnglish
Pages (from-to)568-574
Number of pages7
JournalChemical Physics Letters
Volume373
Issue number5-6
DOIs
Publication statusPublished - May 28 2003

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trimers
aniline
Dimers
dimers
Ions
harmonics
Stretching
Photodissociation
ions
interactions
Vibrational spectra
photodissociation
vibrational spectra
Hydrogen
Hydrogen bonds
oscillators
Spectroscopy
hydrogen bonds
Infrared radiation
hydrogen

All Science Journal Classification (ASJC) codes

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

Cite this

Fermi resonance interaction in hetero-dimer and trimer ions containing aniline+. / Inokuchi, Yoshiya; Ohshimo, Keijiro; Ohashi, Kazuhiko; Honkawa, Yoshiki; Sekiya, Hiroshi; Nishi, Nobuyuki.

In: Chemical Physics Letters, Vol. 373, No. 5-6, 28.05.2003, p. 568-574.

Research output: Contribution to journalArticle

Inokuchi, Yoshiya ; Ohshimo, Keijiro ; Ohashi, Kazuhiko ; Honkawa, Yoshiki ; Sekiya, Hiroshi ; Nishi, Nobuyuki. / Fermi resonance interaction in hetero-dimer and trimer ions containing aniline+. In: Chemical Physics Letters. 2003 ; Vol. 373, No. 5-6. pp. 568-574.
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