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OBSERVATION AND ANALYSIS OF THE $\nu_{3}$ and $2\nu_{3}$ BANDS OF $^{32}S^{18}O_{3}$ AND $^{34}S^{18}O_{3}$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/20401

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Title: OBSERVATION AND ANALYSIS OF THE $\nu_{3}$ and $2\nu_{3}$ BANDS OF $^{32}S^{18}O_{3}$ AND $^{34}S^{18}O_{3}$
Creators: Sharpe, Steven W.; Sams, Robert L.; Blake, Thomas A.; Maki, A. G.; Vulpanovici, Nicolae; Masiello, Tony; Barber, Jeffrey; Chrysostom, Engelene t. H.; Nibler, Joseph W.; Weber, A.
Issue Date: 2002
Abstract: We are engaged in a comprehensive investigation of the fundamental and low lying combination and overtone bands of the parent and some isotopic variants of sulfur trioxide. Results and analysis for the $Ramana^{a}$ and $infrared^{b}$ bands of the parent isotopomer have been published recently. Here, results and analysis of the infrared absorption spectra of the $\nu_{3}$ and $2\nu_{3}$ bands of $^{32}S^{18}O_{3}$ and $^{34}S^{18}O_{3}$ recorded separately at a resolution of $0.002 cm^{-1}$ will be presented. For $^{32}S^{18}O_{3}, \nu_{3}$ is centered at $1348.85320(3) cm^{-1}$ with $B^{\prime} = 0.30879466(7) cm^{-1}, C^{\prime} = 0.15436012(6) cm^{-1}$ and $C^{\prime}\zeta = 0.0795934(4) cm^{-1}$. The $l=\pm 2$ component of the first overtone of $\nu_{3}$ is centered at $2692.8899(3) cm^{-1}$ with $B^{\prime} = 0.307815(1) cm^{-1}, C^{\prime} = 0.1538331(7) cm^{-1}$ and $C'\zeta = 0.078716(2) cm^{-1}$. For $^{34}S^{18}O_{3}, \nu_{3}$ is centered at $1330.07810(1) cm^{-1}$ with $B' = 0.3088233(3) cm^{-1}$ and $C^{\prime} = 0.15437917(3) cm^{-1}$, and $C'\zeta = 0.0770680(3) cm^{-1}$. The $l = \pm 2$ component of the first overtone of $\nu_{3}$ is centered at $2655.45735(4) cm^{-1}$ with $B^{\prime} = 0.3078634(8) cm^{-1}, C^{\prime} = 0.15386494(7) cm^{-1}$ and $C^{\prime}\zeta = 0.0762487(3) cm^{-1}$. The Hamiltonian for analyzing these bands including splitting and perturbing terms and other fit constants will be presented.
URI: http://hdl.handle.net/1811/20401
Other Identifiers: 2002-MH-13
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