Reference Label	Details
Herrick 1975	D. R. Herrick, and F. H. Stillinger, J. Chem. Phys. 62, 4360-4365 (1975) Energy and Lifetime of O2- from Analytic Continuation of Isoelectronic Bound States
Kaufman 1963	M. Kaufman, Astrophys. J. 137, 1296 (1963) Semiempirical Electron Affinities