The millimeter and submillimeter rotational spectrum of 1,3-dihydroxyacetone

Details The millimeter and submillimeter rotational spectrum of 1,3-dihydroxyacetone The millimeter and submillimeter rotational spectrum of 1,3-dihydroxyacetone

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004jmosp.224..101w&link_type=abstract

Journal of Molecular Spectroscopy, Volume 224, Issue 2, p. 101-106.

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Scientific paper

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 450GHz. 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.

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