| Reference Label | Details |
|---|---|
| Huber 1979 | K. P. Huber and G. Herzberg, "Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules", Van Nostrand Reinhold: New York 1979 |
| est unc | estimated uncertainty |
| Gadea 1996 | F. X. Gadea and I. Paidarová, Chem. Phys. 209, 281-290 (1996) Ab initio Calculations for Ar2+, He2+ and He3+, of Interest for the Modelling of Ionic Rare-Gas Clusters |