Widicus, Susanna L. and Braakman, Rogier and Kent, David R., IV and Blake, Geoffrey A. (2004) The millimeter and submillimeter rotational spectrum of 1,3-dihydroxyacetone. Journal of Molecular Spectroscopy, 224 (2). pp. 101-106. ISSN 0022-2852 http://resolver.caltech.edu/CaltechAUTHORS:20120918-094533358
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Recent detection of the 2C sugar glycolaldehyde in the Sgr B2(N-LMH) hot core source as well as the presence of several sugars and other polyhydroxylated species in the Murchison meteorite have led to interest in observational searches for higher order sugars in the interstellar medium. 1,3-Dihydroxyacetone, the simplest 3C sugar, is one of the species detected in Murchison and is of considerable importance for observational searches as the next step in complexity for interstellar sugars. However, little spectroscopic information is available for this molecule. We present here the Doppler-limited rotational spectrum of 1,3-dihyroxyacetone to 450 GHz. Assignments include the ground state up to J=104 and four additional vibrational states. Standard rotational and quartic centrifugal distortion constants have been determined for each of these states.
|Additional Information:||© 2004 Elsevier Inc. Received 7 October 2003; in revised form 16 December 2003. The experimental work was funded in part by the NASA Exobiology and SARA programs, Grant Nos. NAG5-11423 and NAG5-13457. D.R.K. is grateful for a graduate fellowship from the Fannie and John Hertz Foundation. We thank the JPL Microwave, Millimeter, and Submillimeter Spectroscopy Group, particularly Dr. Brian Drouin, for use of the millimeter/submillimeter apparatus and assistance during data collection. We would like to thank Dr. Tryggvi Emilsson for his guidance and advice with the FTMW experiments. We would also like to acknowledge the diligence of Ms. Kathryn Dyl and Ms. Maryam Ali during the initial FTMW experiments. The computational resources were provided by the Materials and Process Simulation Center at Caltech. We also gratefully acknowledge the support and services rendered by the CIT and JPL staff.|
|Official Citation:||Susanna L. Widicus, Rogier Braakman, David R. Kent IV, Geoffrey A. Blake, The millimeter and submillimeter rotational spectrum of 1,3-dihydroxyacetone, Journal of Molecular Spectroscopy, Volume 224, Issue 2, April 2004, Pages 101-106, ISSN 0022-2852, 10.1016/j.jms.2004.01.002. (http://www.sciencedirect.com/science/article/pii/S0022285204000165)|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||18 Sep 2012 17:39|
|Last Modified:||18 Sep 2012 17:39|
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