Synthetic infrared spectra of some polycyclic aromatic hydrocarbons contain
ing up to 54 carbon atoms are reported. The species studied include ovalene
, circumcoronene, dicoronylene, and hexabenzocoronene. We report spectra fo
r anions, neutrals, cations, and multiply charged cations. (C) 2000 Elsevie
r Science B.V. All rights reserved.