Reference Label	Details
Bohme 1980	D. K. Bohme, G. I. Mackay, and H. I. Schiff, J. Chem. Phys. 73, 4976-4986 (1980) Determination of Proton Affinities from Kinetics of Proton Transfer Reactions. VII. The Proton Affinities of O2, H2, Kr, O, N2, Xe, CO2, CH4, N2O, and CO
2nd Law	Second law analysis
note unc	The quoted uncertainty appeared to correspond to one std dev. and was multiplied by 2 to come closer to the desired 95% confidence limit