Ionic Fragmentation of CF_3Cl Photoexcited in the Cl L-Shell, C K-Shell, and F K-Shell Transition Regions

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Abstract

Fragment ions produced from CF<sub>3</sub>Cl have been measured in the soft X-ray region using monochromatized synchrotron radiation and a time-of-flight mass spectrometer. The yield ratios for ion production were determined from the TOF spectra over the energy range of 44 through 1200 eV, and the partial yield spectra for the individual ions were observed around the Cl L<sub>2,3</sub>-edges, the C K-edge, and the F K-edge. The atomic chlorine ion, Cl<sup>+</sup>, has the greatest intensity between 100 and 700 eV, and exhibits a steep increase at the Cl L<sub>2,3</sub>-edges. The yield ratios of F<sup>+</sup> and C<sup>+</sup> decrease sharply at the Cl L<sub>2,3</sub>-edges and greatly increase at the C K-edge and F K-edge. Some fragment ions, e. g. CF<sup>+</sup>, have distinctive yield changes upon excitation of the inner-shell electron to unoccupied molecular orbitals.

Journal

  • Bulletin of the Chemical Society of Japan

    Bulletin of the Chemical Society of Japan 68(4), 1119-1128, 1995-04-15

    The Chemical Society of Japan

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Codes

  • NII Article ID (NAID)
    10008888668
  • NII NACSIS-CAT ID (NCID)
    AA00580132
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    00092673
  • Data Source
    CJP  J-STAGE 
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