Reference Label	Details
Willitsch 2004	S. Willitsch, U. Hollenstein, and F. Merkt, J. Chem. Phys. 120, 1761-1774 (2004) Ionization from a Bouble Bond: Rovibronic Photoionization Dynamics of Ethylene, Large Amplitude Torsional Motion and Vibronic Coupling in the Ground State of C2H4+
note unc	The quoted uncertainty appeared to correspond to one std dev. and was multiplied by 2 to come closer to the desired 95% confidence limit