Detection of SiCCO in the Laboratory

Details Detection of SiCCO in the Laboratory Detection of SiCCO in the Laboratory

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005apj...621l.157s&link_type=abstract

The Astrophysical Journal, Volume 621, Issue 2, pp. L157-L159.

Astronomy and Astrophysics

Astronomy

2

Ism: Molecules, Line: Identification, Molecular Data, Molecular Processes, Radio Lines: Ism

Scientific paper

The closed-shell linear chain SiCCO has been generated for the first time in a supersonic expansion by a DC electric discharge of silane, acetylene, and carbon monoxide highly diluted in neon, and it has been probed by Fourier transform microwave spectroscopy in the 5-26 GHz frequency range. The spectroscopic constants B=2624.2202(12) MHz and DJ=0.235(47) kHz have been determined. With these constants, the radio spectrum of SiCCO can be predicted with an accuracy better than 1 km s-1 in equivalent radial velocity up to 60 GHz.

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