The course of the reaction of electronically and vibronically excited metastable O2+(4Πu, ν′) ions with O2, known to produce O3+, was examined by the joint application of computational and mass spectrometric methods. The results show that the reaction does not proceed by a direct mechanism and that it involves instead the intermediacy of the [O2+(4Πu)⋅⋅⋅O2] and [O3+(4A2)⋅⋅⋅O] complexes, both theoretically characterized, and the latter one positively identified by structurally diagnostic mass spectrometric techniques. The reaction is a potential source of stratospheric ozone, in that O3+ ions are known to undergo efficient charge exchange with oxygen to yield neutral O3.

Formation of O3+ upon ionization of O2. The role of isomeric O4+ complexes / Cacace, Fulvio; DE PETRIS, Giulia; M., Rosi; Troiani, Anna. - In: CHEMISTRY-A EUROPEAN JOURNAL. - ISSN 0947-6539. - STAMPA. - 8:16(2002), pp. 3653-3659. [10.1002/1521-3765(20020816)8:16<3653::AID-CHEM3653>3.0.CO;2-1]

Formation of O3+ upon ionization of O2. The role of isomeric O4+ complexes.

CACACE, Fulvio;DE PETRIS, GIULIA;TROIANI, Anna
2002

Abstract

The course of the reaction of electronically and vibronically excited metastable O2+(4Πu, ν′) ions with O2, known to produce O3+, was examined by the joint application of computational and mass spectrometric methods. The results show that the reaction does not proceed by a direct mechanism and that it involves instead the intermediacy of the [O2+(4Πu)⋅⋅⋅O2] and [O3+(4A2)⋅⋅⋅O] complexes, both theoretically characterized, and the latter one positively identified by structurally diagnostic mass spectrometric techniques. The reaction is a potential source of stratospheric ozone, in that O3+ ions are known to undergo efficient charge exchange with oxygen to yield neutral O3.
2002
01 Pubblicazione su rivista::01a Articolo in rivista
Formation of O3+ upon ionization of O2. The role of isomeric O4+ complexes / Cacace, Fulvio; DE PETRIS, Giulia; M., Rosi; Troiani, Anna. - In: CHEMISTRY-A EUROPEAN JOURNAL. - ISSN 0947-6539. - STAMPA. - 8:16(2002), pp. 3653-3659. [10.1002/1521-3765(20020816)8:16<3653::AID-CHEM3653>3.0.CO;2-1]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/252087
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