MICROWAVE SPECTRA OF UNSTABLE SPECIES IN A DISCHARGE OF A MIXTURE OF $CS_{2}$ AND $N_{2}$.
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Date
1989
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Ohio State University
Abstract
Discharge in a mixture of $CS_{2}$ and $N_{2}$ is a complex system which produces a variety of nitrogen and sulfur compounds $(N_{z}S_{y})$. In the course of an attempt to detect microwave lines of $CS^{+}$, we found several paramagnetic species including well known NS, CCS (appears stronger without nitrogen), and SO (evidence of a slight leak or impurities). One of the species detected here is found to contain nitrogen and carbon, and tentatively indentified as NCS. NCS has been known by its $electronic^{1}$ and $EPR^{2}$ spectra, but no pure rotational lines were detected previously. The microwave spectrum is observed in the range of 250-285 and 330-380 GHz with a microwave system equipped with a tripler-quadrupler. A detailed analysis of this species and an attempt of identification of other species is in progress. $^{1}$ R. N. Dixon and D. A. Ramsay, Can. J. Phys. 46, 2619(1968). $^{2}$ A. Carrington, A. R. Fabris, and N. J. D. Lucas, Mol. Phys. 16, 195(1969).
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Author Institution: Herzberg Institute of Astrophysics, National Research Council of Canada