On the origin of the asymmetric shape of the HCl photodissociation cross section

Johan Albrecht Schmidt, Matthew Stanley Johnson, Mette Marie-Louise Grage, Gunnar Nyman

4 Citations (Scopus)

Abstract

A first principles treatment of the photodissociation of HCl and DCl from 50000 cm1 to 75000 cm1 is
presented. The treatment is the first to correctly reproduce the asymmetric absorption profile observed
for HCl. The theoretical model for the HCl and DCl photodissociation presented in this study considers a
dissociation process that occurs on a repulsive electronic state (A1P) coupled to a bound electronic state
(C1P). The asymmetry in the HCl cross section arises because of the radial coupling introduced by the
rotation-free nuclear kinetic energy operator.
Original languageEnglish
JournalChemical Physics Letters
Volume480
Issue number4-6
Pages (from-to)168-172
Number of pages5
ISSN0009-2614
Publication statusPublished - 6 Sept 2009

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