THE PURE ROTATIONAL SPECTRUM OF SrSH $(\tilde{X}^{2}A)$
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Date
2001
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Ohio State University
Abstract
The pure rotational spectrum of SrSH $(\tilde{X}^{2}A)$ in the vibrational ground state has been measured using direct absorption mm/sub-mm spectroscopy. The radical was produced by the reaction of vaporized Sr and $H_{2}S$ gas in the presence of a DC discharge. Ten a-type dipole allowed transitions with $K_{a}$ asymmetry components up to $K_{a} = 6$ have been recorded in the range of 350-405 GHz. Preliminary rotational constants (MHz) have been determined and are listed below. A full analysis of the spectrum, as well as a structure, will be presented. $A = 283504$, $B = 2877.287$, $C = 2845.508$, $(\epsilon_{bb}+\epsilon_{cc})/2 = 57.2$
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Author Institution: University of Arizona