Laboratory Detection of the C5N Radical by Fourier-Transform Microwave Spectroscopy

Details Laboratory Detection of the C5N Radical by Fourier-Transform Microwave Spectroscopy Laboratory Detection of the C5N Radical by Fourier-Transform Microwave Spectroscopy

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...477l..65k&link_type=abstract

Astrophysical Journal Letters v.477, p.L65

Astronomy and Astrophysics

Astronomy

10

Molecular Data, Molecular Processes

Scientific paper

The C5N radical has been detected for the first time by using a pulsed-discharge--nozzle Fourier transform microwave spectrometer. The radical was generated by a discharge in a mixture of HC5N and HC3N diluted in Ar and subsequently cooled to a few kelvins in a supersonic free jet expansion. The rotational transitions of C5N have been observed with resolved fine and hyperfine structures in the range from 5 to 17 GHz. The ground state of C5N was determined to have 2 Sigma symmetry. The present laboratory observation have allowed us to perform a deep radio astronomical search for C5N in interstellar molecular clouds.

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