(0.0170-0.0700 keV: N, O, CO, NO, CO2, N2O, CH4, C2H4, C2H6, C4H10)
Observation of a Rydberg Series of CO in the Two-Electron Excited Region
Wu, C.Y.R.,
J. Chem. Phys.
77, 1179-1182 (1982), also personal communication to J. Hubbell with numerical data
(19-69 eV: CH4, C2H4, C2H6, C 4H10, N2, NO, N2O, O2)