Infrared photodissociation spectroscopy of protonated ammonia cluster ions, NH4 +(NH3)n (n=5-8), by using infrared free electron laser

Kensuke Tono, Kotatsu Bito, Hiroshi Kondoh, Toshiaki Ohta, Koichi Tsukiyama

研究成果: Article

18 引用 (Scopus)

抄録

Infrared photodissociation action spectra of protonated ammonia cluster ions, N H4+ (N H3) n (n=5-8), were measured in the range of 1020-1210 cm-1 by using a tunable infrared free electron laser. Analyses by the density functional theory (DFT) show that the spectral features observed can be assigned to the 2 vibrational mode of the N H3 molecules in N H4+ (N H3) n. Size dependence of the spectra supports structural models obtained by the DFT calculations, in which the N H4+ ion is solvated by the four nearest-neighbor N H3 molecules. For N H4+ (N H3) 5, the spectrum between 1000 and 1700 cm-1 was measured. The 4 bands of the N H3 molecules and the N H4+ ion were found in the range of 1420-1700 cm-1.

元の言語English
記事番号224305
ジャーナルJournal of Chemical Physics
125
発行部数22
DOI
出版物ステータスPublished - 2006
外部発表Yes

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Photodissociation
Infrared lasers
Free electron lasers
Ammonia
free electron lasers
infrared lasers
photodissociation
ammonia
Spectroscopy
Ions
Infrared radiation
Molecules
Density functional theory
spectroscopy
density functional theory
molecules
ions
vibration mode

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

これを引用

Infrared photodissociation spectroscopy of protonated ammonia cluster ions, NH4 +(NH3)n (n=5-8), by using infrared free electron laser. / Tono, Kensuke; Bito, Kotatsu; Kondoh, Hiroshi; Ohta, Toshiaki; Tsukiyama, Koichi.

:: Journal of Chemical Physics, 巻 125, 番号 22, 224305, 2006.

研究成果: Article

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AU - Ohta, Toshiaki

AU - Tsukiyama, Koichi

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