Laboratory rotational spectroscopy leads to the first interstellar detection of singly deuterated methyl mercaptan (CH${}_2$DSH)

Hayley A. Bunn, Silvia Spezzano, Laurent H. Coudert +8

We report an extensive rotational spectroscopic analysis of singly deuterated methyl mercaptan (CH${}_2$DSH) using both millimeter and far-infrared synchrotron spectra to achieve a…