Renner-Teller effects in HCO+ dissociative recombination
Ivan A. Mikhaylov, Viatcheslav Kokoouline, Asa Larson, Stefano Tonzani, Chris H. Greene
Abstract
A theoretical description of the dissociative recombination process for the HCO+ ion suggests that the nonadiabatic Renner-Teller coupling between electronic and vibrational degrees of freedom plays an important role. This finding is consistent with a recent study of this process for another closed-shell molecule, the H3+ ion, where Jahn-Teller coupling was shown to generate a relatively high rate. The cross section obtained here for the dissociative recombination of HCO+exhibits encouraging agreement with a merged-beam experiment.
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