Dissociation and radiative stabilization of the indene cation: The nature of the C-H bond and astrochemical implications

M. H. Stockett, A. Subramani, C. Liu +5

Indene (C${}_9$H${}_8$) is the only polycyclic pure hydrocarbon identified in the interstellar medium to date, with an observed abundance orders of magnitude higher than predicted by a…