molecules:ism:ethendiol [CDMS classic documentation]

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===== On Ethenediol in the ISM =====

V. M. Rivilla, L. Colzi, I. Jiménez-Serra, J. Martín-Pintado, A. Megías, M. Melosso, L. Bizzocchi, Á. López-Gallifa, A. Martínez-Henares, S. Massalkhi, B. Tercero, P. de Vicente, J.-C. Guillemin, J. G. de la Concepción, F. Rico-Villas, S. Zeng, S. Martín, M. A. Requena-Torres, F. Tonolo, S. Alessandrini, L. Dore, V. Barone, and C. Puzzarini\\
reported on\\
**[[https://doi.org/10.3847/2041-8213/ac6186|Precursors of the RNA World in Space: Detection of (Z)-1,2-ethenediol in the Interstellar
Medium, a Key Intermediate in Sugar Formation]]**\\
//Astrophys. J. Lett.// **920** (2021), Art. No. L27.\\ 
The molecule was identified through nine lines of which four appear to be unblended, four are partially blended, and one is fully blended, but the molecule accounts for a large fraction of the emission. Each line consists of a pair of //a//-type rotation-tunneling transitions having 2 ≤ //J// ≤ 8 and //K<sub>a</sub>// ≤ 2. The molecule is the enolic and less stable form of glycolaldehyde which is only ~5.2 times more abundant.\\

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Contributor(s): H. S. P. Müller; 04, 2022

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