Valence states of O Feynman s way 2

Abstract

Potential energy curves for twelve valence states of O₂ are calculated with fully linked renormalized Feynman diagrams which dissociate properly. Compared with experiment, average errors of spectroscopic constants are: 18 kJ mol^-1 for D _e, 2•1 pm for R _e, 81 cm^-1 for ω_e 15 kJ mol^-1 for T _e, and 16 kJ mol^-1 for the sum of asymptotic atomic excitation energies.