Reference Label	Details
Lau 2005	K.-C. Lau and C. Y. Ng, J. Chem. Phys. 122, 224310/1-9 (2005) Accurate ab initio Predictions of Ionization Energies of Hydrocarbon Radicals: CH2, CH3, C2H, C2H3, C2H5, C3H3, and C3H5