Reference Label	Details
Ruscic CBS-n	CBS-Q, CBS-QB3, CBS-APNO calculations
Clifford 1997	E. P. Clifford, P. G. Wenthold, W. C. Lineberger, G. A. Petersson, and G. B. Ellison, J. Phys. Chem. A 101, 4338-4345 (1997) Photoelectron Spectroscopy of the NCN- and HNCN- Ions