Abstract
The molecular R-matrix formalism is used to calculate bound and continuum states of the CH molecule. Potential energy curves for the bound states of doublet and quartet symmetry are obtained for an extended range of inter nuclear distances between 1–9 a.u. Resonance positions and widths for low-lying Feshbach resonances are also obtained for states with doublet symmetry. These resonances and their continuation as bound states below the CH+ ion ground state are used to construct dissociative states which cross the ground state of the CH+ ion. Several dissociative states of , and symmetry, that were hitherto unknown, have been found and are expected to be useful for other collisional calculations, in particular, for the dissociative recombination of the CH+ ion.
Published Version
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