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| molecules:ism:cyclopropenonthion [2025/04/03 13:50] – created mueller | molecules:ism:cyclopropenonthion [2026/02/03 15:06] (current) – mueller |
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| A. J. Remijan, P. B. Changala, C. Xue, E. Q. H. Yuan, M. Duffy, H. N. Scolati, C. N. Shingledecker, T. H. Speak, I. R. Cooke, R. Loomis, A. M. Burkhardt, Z. T. P. Fried, G. Wenzel, A. Lipnicky, M. C. McCarthy, and B. A. McGuire\\ | A. J. Remijan, P. B. Changala, C. Xue, E. Q. H. Yuan, M. Duffy, H. N. Scolati, C. N. Shingledecker, T. H. Speak, I. R. Cooke, R. Loomis, A. M. Burkhardt, Z. T. P. Fried, G. Wenzel, A. Lipnicky, M. C. McCarthy, and B. A. McGuire\\ |
| announced\\ | announced\\ |
| | **[[https://doi.org/10.3847/1538-4357/adb84c|The Missing Link of Sulfur Chemistry in TMC-1: The Detection of //c//-C<sub>3</sub>H<sub>2</sub>S from the GOTHAM Survey]]**\\ |
| | //Astrophys. J.// **982**, Art. No. 191 (2025).\\ |
| | The molecule was identified through line-stacking in the course of the GOTHAM survey of TMC-1 carried out with the 100 m GBT dish and covering a large fraction of the 3.9 to 36.4 GHz region. An excitation temperature of ~5 K was derived. The abundance ratio of CH<sub>2</sub>CCS / //c//-C<sub>3</sub>H<sub>2</sub>S is about 10 while that of HCCCHS / //c//-C<sub>3</sub>H<sub>2</sub>S is about 5.6.\\ |
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| | In their work on the\\ |
| | **[[https://doi.org/10.1051/0004-6361/202557355|Discovery of Linear Propadienone — Study of the Chemistry of Linear and Cyclic H2C3O and H2C3S in TMC-1]]**\\ |
| | //Astron. Astrophys.// **705**, Art. No. A206 (2026),\\ |
| **[[https://doi.org/10.1051/0004-6361/202451256|More sulphur in TMC-1: Discovery of the NC<sub>3</sub>S and HC<sub>3</sub>S radicals with the QUIJOTE line survey]]**\\ | G. Esplugues, J. C. Loison, M. Agúndez, G. Molpeceres, N. Marcelino, B. Tercero, and J. Cernicharo\\ |
| //Astron. Astrophys.// **688**, Art. No. L13 (2024).\\ | also identify cyclopropenethione in a line by line way. Their CH<sub>2</sub>CCS to HCCCHS to //c//-C<sub>3</sub>H<sub>2</sub>S ratios are about 15.4 to 6.7 to 1, in fairly good agreement with ratios obtained above.\\ |
| Cyanoethynylsulfanyl in it <sup>2</sup>π<sub>3/2</sub> lower spin ladder was detected through five consecutive transitions with 23/2 ≤ //J'// ≤ 33/2 between 33.0 and 47.5 GHz in the course of a molecular line survey of the prototypical cold dark molecular cloud TMC-1 carried out with the Yebes 40 m radio telescope. The first two lines display somewhat and barely resolved <sup>14</sup>N hyperfine structure splitting, respectively. The next two lines are somewhat broadened, and the last line is blended. Members with //n// = 2 and //n// ≥ 4 were not detected. The abundance ratios of NCS/NC<sub>3</sub>S is about 5.6.\\ | |
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| Contributor(s): H. S. P. Müller; 04, 2025 | Contributor(s): H. S. P. Müller; 04, 2025; 02, 2026 |
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