Photoionization of N2O: Mechanisms of photoionization and ion dissociation

• J. Berkowitz

  Argonne National Laboratory, Argonne, Illinois 60439

• J. H. D. Eland

  Argonne National Laboratory, Argonne, Illinois 60439

抄録

From high resolution photoionization mass spectrometric data on normal and isotopically substituted N2O it is concluded that the formation of NO+ below the à state of N2O+ but above the thermochemical threshold involves the calculated but hitherto unobserved 4A″ state. This state decays to NO+ from low vibrational levels, and mainly to O+ from higher levels. The O+ ion is a more important product of N2O photodissociation than previously thought. The B̃ state of N2O+ is shown to decompose to NO+ and N2+ and the C̃ state to NO+, N2+, N+, and O+. The branching in autoionization from the Ã, B̃, and C̃ Rydberg series to states of different continua has been determined and is found to depend more on the type of series than on the principal quantum number. The shapes of the resonances are strikingly different in the different final channels. The relevance of these findings to ionospheric O++N2 reaction is discussed.

収録刊行物

• The Journal of Chemical Physics

  The Journal of Chemical Physics 67 (6), 2740-2752, 1977-09-15

  AIP Publishing

キーワード

• Physical and Theoretical Chemistry
• General Physics and Astronomy

詳細情報

• CRID: 1360299772812850304
• NII論文ID: 30015671678
• DOI: 10.1063/1.435188
• ISSN: 10897690
• ISSN: 00219606
• Web Site: https://pubs.aip.org/aip/jcp/article-pdf/67/6/2740/18908826/2740_1_online.pdf
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