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Millimeter wavelength measurements of the rotational spectrum of 2-aminoethanol

Widicus, Susanna L. and Drouin, Brian J. and Dyl, Kathryn A. and Blake, Geoffrey A. (2003) Millimeter wavelength measurements of the rotational spectrum of 2-aminoethanol. Journal of Molecular Spectroscopy, 217 (2). pp. 278-281. ISSN 0022-2852. http://resolver.caltech.edu/CaltechAUTHORS:20120918-091826041

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Abstract

Aminoethanol is a predicted precursor to the amino acid alanine in the interstellar medium and is therefore of great interest for observational studies. However, previous work involving the rotational spectrum of this molecule is limited to centimeter wavelengths and additional laboratory work is necessary to support astronomical heterodyne spectroscopy. This work presents the Doppler-limited rotational spectrum of aminoethanol measured in selected regions between 72 and 305 GHz. Measurements of ground state and ν_(27) transitions have been extended up to J=51 and J=43, respectively. Additional rotational transitions were assigned for the ν_(25), ν_(26), ν_(25)+ν_(27), 2ν_(27) and ν_(26)+ν_(27) hot bands, resulting in improved rotational and centrifugal distortion constants for these states.


Item Type:Article
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http://dx.doi.org/10.1016/S0022-2852(02)00056-5DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0022285202000565PublisherUNSPECIFIED
Additional Information:© 2003 Elsevier Science. Received 9 September 2002. This work was funded in part by the NASA Exobiology and SARA program, grant number NAG5-8822. We also acknowledge partial support from the California Institute of Technology Summer Undergraduate Research Program. We thank the JPL Microwave, Millimeter, and Submillimeter Spectroscopy Group for use of the millimeter/submillimeter apparatus and assistance during data collection. We also gratefully acknowledge the support and services rendered by the CIT and JPL staff.
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Funding AgencyGrant Number
NASA Exobiology ProgramUNSPECIFIED
NASA SARA ProgramNAG5-8822
Caltech Summer Undergraduate Research programUNSPECIFIED
Record Number:CaltechAUTHORS:20120918-091826041
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120918-091826041
Official Citation:Susanna L Widicus, Brian J Drouin, Kathryn A Dyl, Geoffrey A Blake, Millimeter wavelength measurements of the rotational spectrum of 2-aminoethanol, Journal of Molecular Spectroscopy, Volume 217, Issue 2, February 2003, Pages 278-281, ISSN 0022-2852, 10.1016/S0022-2852(02)00056-5. (http://www.sciencedirect.com/science/article/pii/S0022285202000565)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34164
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:18 Sep 2012 16:56
Last Modified:18 Sep 2012 16:56

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