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 Title: An Analysis Of The Rotational Spectrum Of Acetonitrile (ch3cn) In Excited Vibrational States Author(s): Neese, Christopher F. Contributor(s): De Lucia, Frank C.; Fortman, Sarah; McMillan, James Subject(s): Mini-symposium: Astronomical Molecular Spectroscopy in the Age of ALMA Abstract: Acetonitrile (\chem{CH_3CN}) is a well-known interstellar molecule whose vibrationally excited states need to be accounted for in searches for new molecules in the interstellar medium. To help catalog such `weed' molecules, we have developed a technique that involves recording complete spectra over a range of astrophysically significant temperatures. With such a data set, we can experimentally measure the line strengths and lower state energies of unassigned lines in the spectrum. In this talk we will present the ongoing analysis of complete temperature resolved spectra in the 215--265 GHz and 570--650 GHz regions. We have been able to assign many vibrationally hot lines from this data and a room temperature data set spanning 165--700 GHz. To date, we have assigned lines from most of the vibrational states below $\nu_6$ at 1448 \wn. Issue Date: 2014-06-19 Publisher: International Symposium on Molecular Spectroscopy Citation Info: Neese, C.F.; De Lucia, F.C.; Fortman, S.; McMillan, J. AN ANALYSIS OF THE ROTATIONAL SPECTRUM OF ACETONITRILE (CH3CN) IN EXCITED VIBRATIONAL STATES. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.RA07 Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/51010 DOI: https://doi.org/10.15278/isms.2014.RA07 Rights Information: Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/ Date Available in IDEALS: 2014-09-172015-04-14
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