Renner-Teller Modelling of Recent Experimental Spectra of H_2S~+

摘要

Recently there has been a renewal of interest in the spectroscopy and dynamics of the formation and fragmentation of the hydrogen sulphide ion, including. rotationally resolved spectra of higher vibrational states of the ?~2A_1-X~2B_1system than were obtained previously, and a comprehensive imaging study of the photo-fragmentation routes of highly excited H_2S~+. In collaboration with Ch. Jungen and A. Alijah I have extended our previous l basis approach to the calculation of the effects of orbital angular momentum in H_2S~+ to include the stretch – bender extensions, with the options of using either the K- or l basis. This new code is being used to calculate the complicated orbital angular momentum and spin-orbit coupling effects responsible for the ro-vibronic pattern measured in some of the new experimental results.