Reference Label	Details
Ruscic G3B3LYP	G3B3LYP calculation; B3LYP/6-31G(d) frequencies are scaled by 0.9614 (see Scott 1996)
est unc	estimated uncertainty
Girard 2003	Y. Girard and P. Chaquin, J. Phys. Chem. A 107, 10462 (2003)