SEARCH Articles Figures Tables And excited states And potential energy Energies for ground state Energy excited states and Energy ground state Excitation energy Excited state energy Excited state potential surface Excited state surface Excited states energy surfaces Ground energy Ground potential energy surface Ground state potential Ground surfaces Ground-state potential energy Ground-state potential energy surfaces Ground-state potential energy surfaces for Ground-state potential surface Potential energy states Potential energy surface excited-state Potential energy surfaces, and Potentials for surfaces State, ground excited Surface states Surfaces grounded