Millimeter and submillimeter wave spectrum of HNSi

Details Millimeter and submillimeter wave spectrum of HNSi Millimeter and submillimeter wave spectrum of HNSi

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...244l..47b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 244, no. 2, April 1991, p. L47-L49. CNRS-supported research.

Astronomy and Astrophysics

Astronomy

10

Hydrogen Compounds, Interstellar Chemistry, Microwave Spectra, Millimeter Waves, Rotational Spectra, Silicon Compounds, Submillimeter Waves, Interstellar Matter, Molecular Spectroscopy, Nitrogen Compounds, Radio Astronomy

Scientific paper

The rotational spectrum of HNSi obtained by the discharge of a mixture of SiH(4) and N(2) is studied in the 150-460-GHz range with the help of two phase-locked carcinotrons covering the 340-470-GHz range and a liquid-helium-cooled IbSb detector operating in the 140-350-GHz range. Nine transitions are measured for the main isotopic form, and the transition frequencies are presented and compared with the calculated ones. The B(0) and D(0) values are determined, and the identification of the molecule is confirmed by the observation of the (29)Si and (30)Si isotopomers.

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