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
Edlen 1960	B. Edlén, J. Chem. Phys. 33, 98-100 (1960) Isoelectronic Extrapolation of Electron Affinities