Reference Label	Details
Clauberg 1992	H. Clauberg, D. W. Minsek and P. Chen, J. Am. Chem. Soc. 114, 99-107 (1992) Mass and Photoelectron Spectroscopy of C3H2. AHf of Singlet Carbenes Deviate from Additivity by Their Singlet-Triplet Gaps