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Chirped-pulse Fourier transform millimeter-wave spectroscopy of ten vibrationally excited states of i-propyl cyanide: exploring the far-infrared region

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons196417

Arenas,  Benjamin
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons200566

Gruet,  Sébastien
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany;
The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons188134

Steber,  Amanda L.
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany;
The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons197900

Giuliano,  Barbara Michela
Center for Astrochemical Studies at MPE, MPI for Extraterrestrial Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons22077

Schnell,  Melanie
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany;
The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany;

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Citation

Arenas, B., Gruet, S., Steber, A. L., Giuliano, B. M., & Schnell, M. (2016). Chirped-pulse Fourier transform millimeter-wave spectroscopy of ten vibrationally excited states of i-propyl cyanide: exploring the far-infrared region. Physical Chemistry Chemical Physics, Advance Article, 1751-1756. doi:10.1039/C6CP06297K.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-1890-3
Abstract
We report here further spectroscopic investigation of the astrochemically relevant molecule i-propyl cyanide. We observed and analysed the rotational spectra of the ground state of the molecule and ten vibrationally excited states with energies between 180–500 cm−1. For this, we used a segmented W-band spectrometer (75–110 GHz) and performed the experiments under room temperature conditions. This approach thus provides access to high-resolution, pure rotational data of vibrational modes that occur in the far-infrared fingerprint region, and that can be difficult to access with other techniques. The obtained, extensive data set will support further astronomical searches and identifications, such as in warmer regions of the interstellar space where contributions from vibrationally excited states become increasingly relevant.