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Ion rotational distributions for nonlinear molecules at near-threshold photoelectron energies

Rotationally resolved photoelectron spectra can provide significant insight into the underlying dynamics of molecular photoionization. Recent advances in experimental techniques now make it possible to readily achieve rotational resolution in molecular photoelectron spectra. Here we discuss results of our recent theoretical studies of rotationally resolved photoelectron spectra at near-threshold energies for the nonlinear molecules H2O, H2S, and CH2O (formaldehyde). These studies serve to reveal the rich dynamics of molecular photoionization and, where possible, to provide a robust description of key spectral features of interest in related experimental studies.