High-resolution infrared spectroscopy of carbon-sulfur chains: II. C5s and SC5S
Thorwirth, Sven
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https://hdl.handle.net/2142/91221
Description
Title
High-resolution infrared spectroscopy of carbon-sulfur chains: II. C5s and SC5S
Author(s)
Thorwirth, Sven
Contributor(s)
Dudek, John B.
Salomon, Thomas
Issue Date
2016-06-23
Keyword(s)
Astronomy
Abstract
Unbiased high-resolution infrared survey scans of the ablation products from carbon-sulfur targets in the 2100 to 2150\,cm$^{-1}$ regime
reveal two bands previously not observed in the gas phase. On the basis of comparison against laboratory matrix-isolation work\footnote{H. Wang, J. Szczepanski, P. Brucat, and M. Vala 2005, Int. J. Quant. Chem. 102, 795} and new high-level quantum-chemical calculations these bands are attributed to the linear C$_5$S and SC$_5$S clusters. While polar C$_5$S was studied earlier using Fourier-transform microwave techniques,\footnote{Y. Kasai, K. Obi, Y. Ohshima, Y. Hirahara, Y. Endo, K. Kawaguchi, and A. Murakami 1993, ApJ 410, L45}$^,$\footnote{V. D. Gordon, M. C. McCarthy, A. J. Apponi, and P. Thaddeus 2001, ApJS 134, 311} the present work marks the first gas-phase spectroscopic detection of SC$_5$S.
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