The ground and excited state electron affinities of cytosine and trans-azobenzene

Anion photoelectron spectra and derivatives of anion photoelectron spectra. tAzBz, tAzBz(O2) [D.H. Paik, J.S. Baskin, N.J. Kim, A.H. Zewail, J. Chem. Phys. 125 (2006) 133408]; cytosine [J. Schiedt, R. Weinkauf, D.M. Neumark, E.W. Schlag, Chem. Phys. 239 (1998) 511]. The dotted lines in the full plots are visual onsets. The precise values used to obtain the dotted lines are given in the expanded plots.