Universität zu Köln

Martin-Drumel, M. A., Endres, C. P., Zingsheim, O., Salomon, T., van Wijngaarden, J., Pirali, O., Gruet, S., Lewen, F., Schlemmer, S., McCarthy, M. C. and Thorwirth, S. (2015). The SOLEIL view on sulfur rich oxides: The S2O bending mode nu(2) at 380 cm(-1) and its analysis using an Automated Spectral Assignment Procedure (ASAP). J. Mol. Spectrosc., 315. S. 72 - 80. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE. ISSN 1096-083X

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Abstract

The fundamental vibrational bending mode nu(2) of disulfur monoxide, S2O, and the associated hot band 2 nu(2) - nu(2) have been observed at high spectral resolution for the first time at the SOLEIL synchrotron facility using Fourier-transform far-infrared spectroscopy. This transient species has been produced in a radio-frequency discharge by flowing SO2 over elemental sulfur. The spectroscopic analysis has been performed using the newly developed Automated Spectral Assignment Procedure (ASAP) which has enabled the accurate determination of more than 3500 energy levels of the nu(2) = 1 and 2 vibrational states. The procedure provides a fast and convenient way to analyze large data sets in a straightforward manner, if one of the two vibrational states involved in the transition is accurately known from prior work. In addition to the high-resolution synchrotron study, pure rotational spectra of S2O in the nu(2) = 1 and 2 vibrational states were observed in the frequency range 250-500 GHz by absorption spectroscopy in a long-path absorption cell. From these combined measurements, extensive molecular parameter sets have been determined, including full sets of sextic and two octic centrifugal distortion terms. Highly accurate band centers (to better than 10(-5) cm(-1)) have been derived for both vibrational bands. (C) 2015 Elsevier Inc. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Martin-Drumel, M. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Endres, C. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zingsheim, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Salomon, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED van Wijngaarden, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pirali, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gruet, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lewen, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlemmer, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED McCarthy, M. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thorwirth, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-394761
DOI:	10.1016/j.jms.2015.02.014
Journal or Publication Title:	J. Mol. Spectrosc.
Volume:	315
Page Range:	S. 72 - 80
Date:	2015
Publisher:	ACADEMIC PRESS INC ELSEVIER SCIENCE
Place of Publication:	SAN DIEGO
ISSN:	1096-083X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language PURE ROTATIONAL TRANSITIONS; DISULFUR MONOXIDE; MICROWAVE-SPECTRUM; FREQUENCY-MEASUREMENT; INFRARED SPECTRUM; SPECTROSCOPY; (S2O)-O-18; CONSTANTS; NU-1; BAND Multiple languages Physics, Atomic, Molecular & Chemical; Spectroscopy Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/39476