Reference Label	Details
est unc	estimated uncertainty
Martin 1993	J. M. L. Martin, P. R. Taylor, and T. J. Lee, J. Chem. Phys. 99, 286-292 (1993) Accurate ab initio Quartic Force Fields for the Ions HCO+ and HOC+ Erratum: J. Chem. Phys. 99, 9326-9326 (1993) [DOI: 10.1063/1.466241]