LASER MAGNETIC RESONANCE DETECTION OF THE SD RADICAL AT 5.3 $\mu$m
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Date
1980
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Ohio State University
Abstract
Vibration-rotation transitions have been observed in the $^{2}\Pi_{3/2}$ component of the ground electronic state of SD. The radical was produced by passing D atoms over elemental S or from the reaction F$ + D_{2}S \to SD + $DF at a total pressure of 0.5 Torr. The Q(3/2) transition was detected at $1885.610 cm^{-1}$ using lines from the $^{13}C^{16}O$ and $^{13}C^{18}O$ isotopic lasers. A resonance observed with a $^{13}C^{16}O$ laser line at $1861.433 cm^{-1}$ has been identified as one component of the P(5/2) transition. This observation serves to confirm that the carrier is SD but provides no additional information on the excited state energy levels (the ground state rotational constant is already well $known^{1}$). Further transitions re being sought in the hopes of obtaining accurate values for the vibrational band origin and the B rotational constant in the v = 1 state.
Description
$^{1}$ P. B. Davies, B.J. Hardy, E.K. Murray Lloyd and D.K. Russell, Mol. Phys. 36, 1005 (1978).
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