Chemical Physics Letters · 1997 · 68 citations · 20 references
Natural SciencesChemistryAnalytical ChemistryComputational ChemistrySpectroscopyAb Initio MethodsAtomic ExcitationAtomic IonizationChemical PotentialElectronic Excited StatesElectronic SpectroscopyAnalytic Energy GradientsExcited State CalculationsExcited-state Electronic StructureExcited-state Potential Energy SurfacesGround State PropertiesIonization EnergyState-dependent Energetics
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Richard P. Feynman · Physical Review · 1939 · 3.8K citations · Full text
Natural Sciences, Chemistry, Physics +15