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Rotational spectrum of isotopic methyl mercaptan, (13)CH3SH, in the laboratory and towards Sagittarius B2(N2)
V. V. Ilyushin, O. Zakharenko, F. Lewen +9
Methyl mercaptan (CH3SH) is a known interstellar molecule with abundances high enough that the detection of some of its minor isotopologues is promising. The present study aims at…
Rotational spectroscopy of isotopic species of methyl mercaptan at millimeter and submillimeter wavelengths: CHSH
Olena Zakharenko, Frank Lewen, Vadim V. Ilyushin +9
Methyl mercaptan (CHSH) is an important sulfur-bearing species in the interstellar medium, terrestrial environment, and potentially in planetary atmospheres. The aim of the pre…
Laboratory spectroscopic study of the N isotopomers of cyanamide, HNCN, and a search for them toward IRAS 162932422 B
A. Coutens, O. Zakharenko, F. Lewen +3
Cyanamide is one of the few interstellar molecules containing two chemically different N atoms. It was detected recently toward the solar-type protostar IRAS 16293-2422 B together…
Deuterated methyl mercaptan (CHSD): Laboratory rotational spectroscopy and search toward IRAS 16293-2422 B
Olena Zakharenko, Frank Lewen, Vadim V. Ilyushin +4
Methyl mercaptan (also known as methanethiol), CH3SH, has been found in the warm and dense parts of high -- as well as low -- mass star-forming regions. The aim of the present stud…
Laboratory spectroscopic study of isotopic thioformaldehyde, HCS, and determination of its equilibrium structure
H. S. P. Müller, A. Maeda, S. Thorwirth +6
Thioformaldehyde is an abundant molecule in various regions of the interstellar medium. However, available laboratory data limit the accuracies of calculated transition frequencies…
Millimeter and Submillimeter Wave Spectroscopy of Propanal
Oliver Zingsheim, Holger S. P. Müller, Frank Lewen +2
The rotational spectra of the two stable conformers syn- and gauche-propanal (CHCHCHO) were studied in the millimeter and submillimeter wave regions from 75 to 500 GHz with…