Determination of the proton tunneling splitting of the vinyl radical in the ground state by millimeter-wave spectroscopy combined with supersonic jet expansion and ultraviolet photolysis

Keiichi Tanaka; Masaaki Toshimitsu; Kensuke Harada; Takehiko Tanaka

doi:10.1063/1.1642583

Determination of the proton tunneling splitting of the vinyl radical in the ground state by millimeter-wave spectroscopy combined with supersonic jet expansion and ultraviolet photolysis

Keiichi Tanaka, Masaaki Toshimitsu, Kensuke Harada, Takehiko Tanaka

Physical Chemistry

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

The vinyl radical in the ground vibronic state produced in a supersonic jet expansion by 193 nm excimer laser photolysis of vinyl bromide is discussed. The millimeter-wave spectroscopic technique is used for the investigation purpose. The ground state is split into two components, due to the proton tunneling, of which the lower and higher ones are denoted as 0⁺ and 0^- respectively. Eight pure rotational transitions are observed for each of the 0⁺ and 0^- states in the frequency region of 60-250 GHz.

Original language	English
Pages (from-to)	3604-3618
Number of pages	15
Journal	Journal of Chemical Physics
Volume	120
Issue number	8
DOIs	https://doi.org/10.1063/1.1642583
Publication status	Published - Feb 22 2004

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1063/1.1642583

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Determination of the proton tunneling splitting of the vinyl radical in the ground state by millimeter-wave spectroscopy combined with supersonic jet expansion and ultraviolet photolysis. / Tanaka, Keiichi; Toshimitsu, Masaaki; Harada, Kensuke et al.
In: Journal of Chemical Physics, Vol. 120, No. 8, 22.02.2004, p. 3604-3618.

Research output: Contribution to journal › Article › peer-review

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AB - The vinyl radical in the ground vibronic state produced in a supersonic jet expansion by 193 nm excimer laser photolysis of vinyl bromide is discussed. The millimeter-wave spectroscopic technique is used for the investigation purpose. The ground state is split into two components, due to the proton tunneling, of which the lower and higher ones are denoted as 0+ and 0- respectively. Eight pure rotational transitions are observed for each of the 0+ and 0- states in the frequency region of 60-250 GHz.

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Determination of the proton tunneling splitting of the vinyl radical in the ground state by millimeter-wave spectroscopy combined with supersonic jet expansion and ultraviolet photolysis

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