Laser photodissociation of C7H7+ created through multiphoton ionization of para-chlorotoluene

Article abstract of DOI:10.1063/1.464633

The nature of the C7H7⁺ ion created through resonant dissociative multiphotoionization of para-chlorotoluene by an ultraviolet (UV) laser was investigated thanks to its interaction with a second laser beam.The dissociation pattern corresponding to one or several photon absorption could be observed.Cross section for the one-photon absorption in the 265/530 nm range revealed the presence of the tropylium and benzyl isomers and suggested they possessed substantial internal energy.This was confirmed by the study of the C7H7⁺ + hν <*> C5H5⁺ + C2H2 reaction, and more precisely of its rate and of the kinetic energy released.A ladder switch mechanism for the three-photon dissociative ionization of para-chlorotoluene leading to C7H7⁺ is shown to agree with our results.

Full text of DOI:10.1063/1.464633

Laser photodissociation of C7H7 + created through multiphoton ionization of para
chlorotoluene
Pascal Lablanquie, Kazuhiko Ohashi, and Nobuyuki Nishi
Citation: The Journal of Chemical Physics 98, 399 (1993); doi: 10.1063/1.464633
View online: http://dx.doi.org/10.1063/1.464633
View Table of Contents: http://scitation.aip.org/content/aip/journal/jcp/98/1?ver=pdfcov
Published by the AIP Publishing
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