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Russian Chemical Bulletin

, Volume 55, Issue 2, pp 380–383 | Cite as

Hidden rearrangement processes in short-lived negative molecular ions

  • M. V. Muftakhov
  • P. V. Schukin
  • R. V. Khatymov
Brief Communications

Abstract

The study of resonant electron capture by nitrobenzene molecules showed that some fragmentary negative ions are unstable toward electron autodetachment. The measured appearance energy of the neutral component of an [M — H] ion beam does not agree with the energetics of direct dissociation in a molecular ion. The estimation calculations show that the low appearance energy of [M — H]0 neutral components is caused by isomerization of a molecular ion of nitrobenzene to the 2-nitrobenzene structure followed by the formation of a phenoxide ion in the autodetachment state.

Key words

mass spectrometry resonant electron capture negative ions rearrangements nitrobenzene 2-nitrosophenol structure 

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • M. V. Muftakhov
    • 1
  • P. V. Schukin
    • 1
  • R. V. Khatymov
    • 1
  1. 1.Institute of Molecule and Crystal Physics, Ufa Research CenterRussian Academy of SciencesRussian Federation

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