Two-dimensional penning ionization electron spectroscopy of dichlorobenzenes: Orbital reactivity and anisotropic interaction of dichlorobenzenes with He*(23S)

Kohei Imura, Naoki Kishimoto, Koichi Ohno

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Ionization of dichlorobenzenes with metastable He*(23S) atoms was studied by two-dimensional (collision-energy/electron-energy-resolved) Penning ionization electron spectroscopy. Collision energy dependence of the partial ionization cross sections (CEDPICS), which reflects the interaction potential energy between the molecule and He*(23S), showed anisotropic interaction around the molecules. The π and n (nonbonding) orbitals regions of the molecules showed attractive interactions. It was also found that the magnitude of attractive interaction around the Cl atom lone pair region perpendicular to the phenyl ring was o- > p- > m-C6H4Cl2. Negative slopes of CEDPICS for σ type bands indicate an attractive effect for ionization reaction by a substitution of the Cl atom.

本文言語English
ページ(範囲)9111-9122
ページ数12
ジャーナルJournal of Physical Chemistry A
105
40
DOI
出版ステータスPublished - 2001 10 11
外部発表はい

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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