Reference Label	Details
note unc2	The originally quoted uncertainty appeared to be underestimated and was multiplied by a factor of 2 to come closer to the desired 95% confidence limit
Wyatt 1972	J. R. Wyatt and F. E. Stafford, J. Phys. Chem. 76, 1913-1918 (1972) Mass Spectrometric Determination of the Heat of Formation of Ethynyl Radical, C2H, and Some Related Species