Reference Label	Details
Hill 2011	J. G. Hill, A. Mitrushchenkov, K. E. Yousaf, and K. A. Peterson, J. Chem. Phys. 135, 144309/1-12 (2011) Accurate ab initio Ro-Vibronic Spectroscopy of the X 2Pi CCN Radical Using Explicitly Correlated Methods