| Reference Label | Details |
|---|---|
| triv | Trivial |
| Ruscic W1RO | W1RO calculation |
| Ruscic G4 | G4 calculation |
| Herzberg 1966 | G. Herzberg, "Molecular Spectra and Molecular Structure. III. Electronic Spectra and Electronic Structure of Polyatomic Molecules", Van Nostrand: New York 1966 |