Formation of H(n=4) and CH(A2.DELTA.) by the electron impact dissociation of benzene, pyridine, and pyrazine.

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概要

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• Benzene, pyridine, and pyrazine were excited by electron impact (0–70 eV) under low pressure conditions. In the wavelength region of 250–510 nm, emissions from H, CH, C<SUB>2</SUB>, and CN (except for benzene) fragments were observed. Formations of H(<I>n</I>=4) and CH(A<SUP>2</SUP>Δ) from benzene, pyridine, and pyrazine were investigated. The appearance potentials for the hydrogen Balmer β emission were determined to be 19.5±1.0 eV in benzene, 19.7±1.0 eV in pyridine, and 19.6±1.0 eV in pyrazine. The appearance potentials for the CH(A-X) emission were also determined to be 12.7±1.0 and 21.4±1.0 eV in benzene, 20.1±1.0 eV in pyridine, and 18.5±1.0 eV in pyrazine. No emissions from the excited parent species of pyridine and pyrazine were observed.

• 公益社団法人 日本化学会の論文

著者

• Tokue Ikuo

  Department Of Chemistry Faculty Of Science Niigata University

• Ikarashi Masami

  Department of Chemistry, Faculty of Science, Niigata University

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• Formation of H(n=4) and CH(A2.DELTA.) by the electron impact dissociation of benzene, pyridine, and pyrazine.

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