Diabatic analysis of the electronic states of hydrogen chloride (original) (raw)

An effective Hamiltonian method was used to deperturb the (X 2 ⌸ i )4p and (X 2 ⌸ i )4p Rydberg states and the V 1 ⌺ ϩ valence state of HCl and DCl. A least-squares fit of the eigenvalues of the Hamiltonian to the experimental term energies was performed, and the zero-order diabatic characters of the basis states were determined. These deperturbed states were used to fit the observed ⌳-doublings, to predict the energies of unknown states, to model spectroscopic intensity anomalies, and to explain the spin-orbit branching ratio for predissociation.