Universität zu Köln

Walters, Adam, Schaefer, Mirko, Ordu, Matthias H., Lewen, Frank, Schlemmer, Stephan ORCID: 0000-0002-1421-7281 and Mueller, Holger S. P. (2015). Millimetre-wave spectrum of the singly deuterated isotopologues of anti-ethanol. J. Mol. Spectrosc., 314. S. 6 - 13. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE. ISSN 1096-083X

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Abstract

The rotational spectra of three mono-substituted deuterium sisotopologues of the anti conformer of ethanol have been measured between 35 and 500 GHz. One of these, CH2DCH2OH, exists as two distinct conformers according to the position of the deuterium atom with respect to the molecular skeleton. The dataset was constrained for fitting with a standard Watson-S reduction Hamiltonian by rejecting transitions from high-lying states, which appear to be perturbed by the gauche states, and by averaging some small methyl torsional splits. This treatment is compatible with the one we employed for the C-13 containing isotopologues of ethanol, and with the needs for a first search for these species in the interstellar medium, in particular in spectra taken by ALMA. For this purpose an appropriate set of predictions is given. (C) 2015 Elsevier Inc. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Walters, Adam UNSPECIFIED UNSPECIFIED UNSPECIFIED Schaefer, Mirko UNSPECIFIED UNSPECIFIED UNSPECIFIED Ordu, Matthias H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lewen, Frank UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlemmer, Stephan UNSPECIFIED orcid.org/0000-0002-1421-7281 UNSPECIFIED Mueller, Holger S. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-397578
DOI:	10.1016/j.jms.2015.05.005
Journal or Publication Title:	J. Mol. Spectrosc.
Volume:	314
Page Range:	S. 6 - 13
Date:	2015
Publisher:	ACADEMIC PRESS INC ELSEVIER SCIENCE
Place of Publication:	SAN DIEGO
ISSN:	1096-083X
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Physics > Institute of Physics I
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MICROWAVE ROTATIONAL SPECTRUM; ETHYL-ALCOHOL; MOLECULAR-SPECTROSCOPY; INTERNAL-ROTATION; COLOGNE DATABASE; LINE SURVEY; ORION-KL; INTERSTELLAR; CHEMISTRY; METHANOL Multiple languages Physics, Atomic, Molecular & Chemical; Spectroscopy Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/39757