| Reference Label | Details |
|---|---|
| est unc | estimated uncertainty |
| Moss 1993b | R. E. Moss, Mol. Phys. 80, 1541-1554 (1993) Calculations for the Vibration-Rotation Levels of H2+ in its Ground and First Excited Electronic States |
| Howells 1990 | M. H. Howells and R. A. Kennedy, J. Chem. Soc. Faraday Trans. 86, 3495-3503 (1990) Relativistic Corrections for the Ground and First Excited States of H2+, HD+ and D2+ |
| Hijikata 2009 | Y. Hijikata, H. Nakashima, and H. Nakatsuji, J. Chem. Phys. 130, 024102/1-11 (2009) Solving Non-Born–Oppenheimer Schrödinger Equation for Hydrogen Molecular Ion and its Isotopomers using the Free Complement Method |