Electronic absorption spectroscopy of matrix‐isolated polycyclic aromatic hydrocarbon cations. I. The naphthalene cation (C1H+8)
F Salama, LJ Allamandola - The Journal of chemical physics, 1991 - pubs.aip.org
The ultraviolet, visible, and near infrared absorption spectra of naphthalene (C10H8) and its
radical ion (C10H+ 8), formed by vacuum ultraviolet irradiation, were measured in argon and
neon matrices at 4.2 K. The associated vibronic band systems and their spectroscopic
assignments are discussed together with the physical and chemical conditions governing
ion production in the solid phase. The absorption coefficients were calculated for the ion and
found lower than previous values, presumably due to the low polarizability of the neon …
radical ion (C10H+ 8), formed by vacuum ultraviolet irradiation, were measured in argon and
neon matrices at 4.2 K. The associated vibronic band systems and their spectroscopic
assignments are discussed together with the physical and chemical conditions governing
ion production in the solid phase. The absorption coefficients were calculated for the ion and
found lower than previous values, presumably due to the low polarizability of the neon …
Electronic absorption spectroscopy of matrix‐isolated polycyclic aromatic hydrocarbon cations. II. The phenanthrene cation (C14H10+) and its 1‐methyl derivative
The ultraviolet, visible, and near infrared absorption spectra of phenanthrene (CI4HIO), I-
methylphenanthrene [(CH3) CI4H9J, and their radical ions [C I4Hio;(CH3) CI4H: J, formed
by vacuum-ultraviolet irradiation, were measured in neon matrices at 4.2 K. The associated
vibronic band systems and their spectroscopic assignments are discussed. The oscillator
strengths were calculated for the phenanthrene ion and found lower than the theoretical
predictions. This study presents the first spectroscopic data for phenanthrene and its methyl …
methylphenanthrene [(CH3) CI4H9J, and their radical ions [C I4Hio;(CH3) CI4H: J, formed
by vacuum-ultraviolet irradiation, were measured in neon matrices at 4.2 K. The associated
vibronic band systems and their spectroscopic assignments are discussed. The oscillator
strengths were calculated for the phenanthrene ion and found lower than the theoretical
predictions. This study presents the first spectroscopic data for phenanthrene and its methyl …
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