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On Butenyne in the ISM
M. Agúndez, C. Cabezas, B. Tercero, N. Marcelino, J. D. Gallego, P. de Vicente, and J. Cernicharo
reported on
Discovery of CH<sub>2</sub>CHCCH and detection of HCCN, HC<sub>4</sub>N, CH<sub>3</sub>CH<sub>2</sub>CN, and, tentatively, CH<sub>3</sub>CH<sub>2</sub>CCH in TMC-1
Astron. Astrophys. 647, Art. No. L2 (2021).
The ethenthione, H2C2S, and propadienthione, H2C3S, molecules were identified through 6 and 7 a-type transitions, respectively, with Ka = 0 and 1 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 between 32.8 and 49.2 GHz. The column density of H2C2S is about a factor of 100 lower than that of H2CS and about a factor of two higher than that of H2C3S.
Contributor(s): H. S. P. Müller; 05, 2021