SEARCH Articles Figures Tables Configuration interaction excited electronic states Electronic configuration excited state Electronic structure excited state configurations Ethylene excited state configuration Excited configuration Excited state electron configuration Excited states configuration interaction Excited states multi-configurational self-consistent First excited state configuration Low-Lying Excited States of Lanthanide Diatomics Studied by Four-Component Relativistic Configuration Interaction Methods Oxidation states excited state configurations Symmetry-Adapted Cluster- Configuration excited states