Formation of electronically excited fragments (H,CH,NH) by the electron impact of pyrrole and pyrrolidine.
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概要
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In the wavelength region of 200–600 nm, photoemissions from electronically excited fragments (H, CH, NH, CN, and C<SUB>2</SUB>) were observed when pyrrole and pyrrolidine were excited by electron impact (0–70 eV). Hydrogen atoms and CH and NH radicals from pyrrole and pyrrolidine are produced <I>via</I> a single collision excitation. The appearance potentials for these fragments from pyrrole are 19.4±0.8 eV for the hydrogen Balmer β (H<SUB>β</SUB>), 19.7±0.8 eV for the CH(A<SUP>2</SUP>Δ-X<SUP>2</SUP>Π) band, and 20.0±1.0 eV for the NH(A<SUP>3</SUP>Π-X<SUP>3</SUP>Σ) band. Those from pyrrolidine are 18.7±0.8 eV for H<SUB>β</SUB>, 23.0±0.8 eV for the CH(A-X) band, and 21.8±1.0 eV for the NH(A-X) band. Dissociation processes forming these electronically excited fragments are discussed.
- 公益社団法人 日本化学会の論文
著者
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Tokue Ikuo
Department Of Chemistry Faculty Of Science Niigata University
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Ito Yoshio
Department of Appleed Chemiaity and Bialownology,Facutory of Enginiaring,niigata Institute of Technology
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Ikarashi Masami
Department of Chemistry, Faculty of Science, Niigata University
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