5 papers
Structural investigation of doubly-dehydrogenated pyrene cations
Sanjana Panchagnula, Jordy Bouwman, Daniël B. Rap +7
The vibrationally resolved spectra of the pyrene cation and doubly-dehydrogenated pyrene cation (CH; Py and CH; ddPy) are presented…
Anharmonicity in the mid-infrared spectra of polycyclic aromatic hydrocarbons: Molecular beam spectroscopy and calculations
A. K. Lemmens, D. B. Rap, J. M. M. Thunnissen +5
Aims. In this work we determine the effects of anharmonicity on the mid-infrared spectra of the linear polycyclic aromatic hydrocarbons (PAHs) naphthalene, anthracene, tetracene an…
Fully anharmonic infrared cascade spectra of polycyclic aromatic hydrocarbons
Cameron J. Mackie, Tao Chen, Alessandra Candian +2
The infrared (IR) emission of polycyclic aromatic hydrocarbons (PAHs) permeates our universe; astronomers have detected the IR signatures of PAHs around many interstellar objects.…
Anharmonicity and the infrared emission spectrum of highly excited PAHs
Tao Chen, Cameron Mackie, Alessandra Candian +2
Aims. Infrared (IR) spectroscopy is a powerful tool to study molecules in space. A key issue in such analyses is understanding the effect that temperature and anharmonicity have on…
High-resolution IR absorption spectroscopy of polycyclic aromatic hydrocarbons in the 3 micron region: role of hydrogenation and alkylation
E. Maltseva, C. J. Mackie, A. Candian +6
Aims. We aim to elucidate the spectral changes in the 3 micron region that result from chemical changes in the molecular periphery of polycyclic aromatic hydrocarbons (PAHs) with e…