title: Structural aspects of long-lived C7H8(2+) dications generated by the electron ionization of toluene.
abstract: The structure of the C7H8(2+) dication generated upon electron ionization of toluene is investigated by experimental and theoretical means. For the long-lived C7H8(2+) dication, the experimental findings obtained with a novel SIFT/GIB instrument suggest complete loss of structural integrity corresponding to the toluene structure. Instead, the manifold of C7H8(2+) dications most likely to be formed is assigned to a mixture of the cycloheptatriene dication and ring-protonated benzylium ions.
authors.affiliation: J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, 18223 Praha 8, Czech Republic.
authors.forename: Jana
authors.initials: J
authors.lastname: Roithova
authors.forename: Detlef
authors.initials: D
authors.lastname: Schröder
authors.forename: Philipp
authors.initials: P
authors.lastname: Gruene
authors.forename: Thomas
authors.initials: T
authors.lastname: Weiske
authors.forename: Helmut
authors.initials: H
authors.lastname: Schwarz