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On H<sub>2</sub>C<sub>n</sub>S (n ≥ 2) Molecules in the ISM
J. Cernicharo, C. Cabezas, M. Agúndez, B. Tercero, J. R. Pardo, N. Marcelino, J. D. Gallego, F. Tercero, J. A. López-Pérez, and P. de Vicente
reported on
TMC-1, the starless core sulfur factory: Discovery of NCS, HCCS, H<sub>2</sub>CCS, H<sub>2</sub>CCCS, and C<sub>4</sub>S and detection of C<sub>5</sub>S
Astron. Astrophys. 648, Art. No. L3 (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; 04, 2021