Reference Label	Details
est unc	estimated uncertainty
Botschwina 1986	P. Botschwina, A. Zilch, P. Rosmus, H. J. Werner, and E. A. Reinsch, J. Chem. Phys. 84, 1683-1686 (1986) An ab initio Calculation of the Near-Equilibrium Potential Energy Surface and Vibrational Frequencies of H2Br+ and its Isotopomers