Anharmonicity in the mid-infrared spectra of polycyclic aromatic hydrocarbons: molecular beam spectroscopy and calculations

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 and pentacene recorded using the free electron laser FELIX. Methods. Comparison of experimental spectra obtained under sup...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2019-08, Vol.628, p.A130
Hauptverfasser:	Lemmens, A. K., Rap, D. B., Thunnissen, J. M. M., Mackie, C. J., Candian, A., Tielens, A. G. G. M., Rijs, A. M., Buma, W. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anharmonicity Anthracene astrochemistry Free electron lasers Infrared analysis Infrared spectra infrared: ISM ISM: molecules Molecular beams molecular data Naphthalene Perturbation theory Polycyclic aromatic hydrocarbons Spectrum analysis
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