Abstract
The low-lying electronic states correlated to the lowest dissociation limit of SnF+ are investigated using the multireference configuration interaction method including the core-valence correlations and the spin-orbit coupling effects. Based on the computed potential energy curves of the Λ–S and Ω states, the spectroscopic constants of the bound states of SnF+ are determined. The Λ–S components of the five Ω states (X1Σ+0+, a3Π0+, a3Π0-, a3Π1 and a3Π2) are shown as a function of bond length considering the avoided crossing rules. The a3Π-X1Σ+ transition properties have been reported in detail. Our study is expected to be helpful for understanding the spectroscopy and dynamics of electronic excited states of the SnF+ ion.
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