Reference Label	Details
est unc	estimated uncertainty
Bentley 1992	J. A. Bentley, J. M. Bowman, B. Gazdy, T. J. Lee, and C. E. Dateo, Chem. Phys. Lett. 198, 563-569 (1992) A Global ab initio Potential for HCN/HNC, Exact Vibrational Energies, and Comparison for Experiment