Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jmosp.204..133t&link_type=abstract
Journal of Molecular Spectroscopy, v.204, p.133-144 (2000)
Astronomy and Astrophysics
Astrophysics
14
Microwave Spectroscopy, Millimeter And Submillimeter Spectroscopy, Cyanoacetylene, Linear Molecules
Scientific paper
The pure rotational spectrum of the astrophysically very important linear molecule cyanoacetylene, HC3N , in the ground and vibrationally excited states has been studied in selected regions from 118 to 814 GHz using the Cologne terahertz spectrometer. Vibrational satellites appendant to the following vibrational states have been recorded and analyzed (v4,v5,v6,v7): (0,0,0,1), (0,0,0,2), (0,0,1,0), (0,0,1,1), (1,0,0,0), (1,0,0,1), and the Fermi resonance systems (0,1,0,0)/(0,0,0,3) and (1,0,0,2)/(0,2,0,0)^0e. With the exception of the latter resonance system, all states have been fit within experimental accuracy. This work is to provide improved rest frequencies for the astronomical community and may also be beneficial in the improvement of global fits.
Müller Holger S. P.
Thorwirth Sven
Winnewisser Gisbert
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