Generation and Characterization of Sulfurous Acid (H2SO3) and of Its Radical Cation as Stable Species in the Gas Phase

Authors

  • Detlev Sülzle,

    1. Institut für Organische Chemie der Technischen Universität Strasse des 17. Juni 135, D-1000 Berlin 12
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  • Marjon Verhoeven,

    1. Analytical Chemistry Laboratory, University of Utrecht Croesestraat 77A, NL-3522 AD Utrecht (The Netherlands)
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  • Dr. Johan K. Terlouw,

    1. Analytical Chemistry Laboratory, University of Utrecht Croesestraat 77A, NL-3522 AD Utrecht (The Netherlands)
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  • Prof. Dr. Helmut Schwarz

    Corresponding author
    1. Institut für Organische Chemie der Technischen Universität Strasse des 17. Juni 135, D-1000 Berlin 12
    • Institut für Organische Chemie der Technischen Universität Strasse des 17. Juni 135, D-1000 Berlin 12
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  • This work was supported by the Deutsche Forschungsgemeinschaft, the Fonds der Chemischen Industrie and the Gesellschaft von Freunden der Technischen Universität Berlin e.V.

  • Dedicated to Professor Geo Dijkstra on the occasion of his 65th birthday

Abstract

Sulfurous acid (H2SO3) and its radical cation H2SOmath image are stable molecules: this has been shown unambiguously by neutralization-reionization. MS experiments and by ab initio calculations. That these species are non-existent in solution is not due to intrinsic factors, but to the medium. The key experiment, with deuterated starting material and product, is shown below.

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