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| molecules:ism:hydroxypropenal [2022/04/25 15:46] – mueller | molecules:ism:hydroxypropenal [2022/04/25 15:47] (current) – mueller | ||
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| //Astron. Astrophys.// | //Astron. Astrophys.// | ||
| 3-Hydroxypropenal is the enol form of malonaldehyde. This enolic form is more stable than the dial because of intermolecular hydogen bonding. The molecule was identified through 11 lines in Band 7 corresponding to 19 //b//-type rotational transitions. Some of these are fully or partially blended. Two additional lines were clearly detected in Band 6 data. Rotation-tunneling transitions of //a//-type symmetry may be observable for somewhat higher excitation temperatures. However, the rest frequencies of stronger ones with low values of // | 3-Hydroxypropenal is the enol form of malonaldehyde. This enolic form is more stable than the dial because of intermolecular hydogen bonding. The molecule was identified through 11 lines in Band 7 corresponding to 19 //b//-type rotational transitions. Some of these are fully or partially blended. Two additional lines were clearly detected in Band 6 data. Rotation-tunneling transitions of //a//-type symmetry may be observable for somewhat higher excitation temperatures. However, the rest frequencies of stronger ones with low values of // | ||
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