| Reference Label | Details |
|---|---|
| est unc | estimated uncertainty |
| Kraemer 2002 | W. P. Kraemer, V. Spirko, and O. Bludsky, Chem. Phys. 276, 225-242 (2002) Bound and low-lying quasi-bound rotation–vibration energy levels of the ground and first excited electronic states of HeH2+ |
| Mrugala 2005 | F. Mrugala and W. P. Kraemer, J. Chem. Phys. 122, 224321/1-18 (2005) Radiative Association of He+ with H2 at Temperatures below 100 K |