Abstract
AbstractThe symmetry‐adapted‐cluster (SAC) and SAC–CI theories reported previously have been applied to the study of electron correlations in ground state, singlet and triplet excited states, ionized state, and electron attached state. Formulas for calculations of one‐electron properties and transition properties from the SAC and SAC–CI wave functions are given. Calculations were carried out for the ground and Rydberg excited states of water and its positive and negative ions, with the use of the simpler computational scheme than the previous one. The results compare well with experiments.
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