High-Resolution Infrared Spectroscopy and ASAP Analysis of Cyclopentadiene: The Vibrational Modes below 860 cm${}^{-1}$ and the $\hat{I}{½}_{21}$ Mode at 961 cm${}^{-1}$

Luis Bonah, Marie-Aline Martin-Drumel, Olivier Pirali +9

The spectroscopic fingerprints of vibrationally excited states of astronomical molecules are interesting for multiple reasons. They are excellent temperature probes of the correspo…