Abstract
Motivated by the experimental observation of a long-lived CO2- state, we have investigated several sextet states of this species. In analogy to recent results for long-lived sextet states of CO-, we focus on long-range minima of the sextet ground state 6A1 of CO2-. We have found two minimum geometries at very long internuclear distances, which can be explained as loosely bound complexes between a C- ion and an oxygen molecule in their respective ground states. Both long-range isomers of the 6A1 state are stable with respect to single-electron emission and dissociation. Since all other decay channels are spin forbidden, these species are long lived.
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Schedule a callMore From: Journal of Physics B: Atomic, Molecular and Optical Physics
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