Mass-Spectroscopic Studies on Ion-Molecule Reactions of Ar_2^+, N_3^+, and N_4^+ Cluster Ions with Simple Aliphatic Hydrocarbons at Thermal Energy

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  • TSUJI Masaharu
    Institute for Materials Chemistry and Engineering, and Research and Education Center of Green Technology, Kyushu University Department of Molecular Science and Technology, Interdisciplinary Graduate School of Engineering, Kyushu University
  • Kouno Hiroyuki
    Department of Applied Science for Electronics and Materials, Interdisciplinary Graduate School of Engineering, Kyushu University : Graduate Student
  • UTO Keiko
    Institute for Materials Chemistry and Engineering, and Research and Education Center of Green Technology, Kyushu University
  • HAYASHI Jun-Ichiro
    Institute for Materials Chemistry and Engineering, and Research and Education Center of Green Technology, Kyuhu University Department of Applied Science for Electronics and Materials, Interdisciplinary Graduate School of Engineering, Kyushu University
  • TSUJI Takeshi
    Department of Materials Science, Shimane University

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Description

Ion-molecule reactions of Ar_2^+, N_3^+, and N_4^+ cluster ions with CH_4, C_2H_2, C_2H_4, and C_2H_6 have been studied by using a thermal ion-beam apparatus. Rate constants were determined and compared with those obtained from Langevin theory. Rate constants of the Ar_2^+ + C_2H_2, Ar_2^+ + C_2H_4, and N_3+ + C_2H_6 reactions, which have not been measured, were determined to be 1.4, 8.1, and 3.6 × 10^<-10> cm3 s^-1, respectively. These values correspond to 14%, 74%, and 28% of calculated rate constants from Langevin theory, respectively.

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