Reference Label	Details
Huber 1979	K. P. Huber and G. Herzberg, "Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules", Van Nostrand Reinhold: New York 1979
est unc	estimated uncertainty
Grafenstein 2004	J. Gräfenstein, E. Kraka, and D. Cremer, Phys. Chem. Chem. Phys. 6, 1096-1112 (2004) Effect of the Self-Interaction Error for Three-Electron Bonds: On the Development of New Exchange-Correlation Functionals