Rotational spectrum of 13C chloromethanes

Kania, P.; Stříteská, Lucie Nová; Šimečková, Marie; Musil, Peter; Kolesníková, Lucie; Koubek, J.; Urban, Štěpán

doi:10.1016/j.jms.2008.06.004

Cited by 1 publication

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“…Also the rare 13 C isotopologues have been spectroscopically characterized widely, from the millimeter-wave to the infrared domains (see, e.g., Refs. [18,19] and references therein). On the other hand, deuterated forms of CH 3 Cl have been poorly characterized from a spectroscopic point-of-view.…”

Section: Introductionmentioning

confidence: 99%

High-resolution millimeter-wave spectroscopy of CH2DCl: Paving the way for future astronomical observations of chloromethane isotopologues

Melosso

Achilli

Tamassia

et al. 2020

Journal of Quantitative Spectroscopy and Radiative Transfer

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Chloromethane is the only organochloride detected in space to date. Its recent observation towards the low-mass protostar IRAS 16293-2422 with ALMA offers a prompt for new laboratory studies of CH 3 Cl and its isotopologues. Here, we report the investigation of the rotational spectrum of monodeuterated chloromethane CH 2 DCl in the frequency region between 90 and 300 GHz. The measurements have been carried out with a frequency-modulation millimeterwave spectrometer, arranged to perform saturation spectroscopy. From the analysis of hyperfine-resolved spectra of the two chlorine isotopologues CH 2 D 35 Cl and CH 2 D 37 Cl, consistent sets of accurate spectroscopic parameters have been obtained. This work provides reliable spectral predictions which can be used to guide radio-astronomical searches of CH 2 DCl in the interstellar medium and represents a solid base for future analyses of high-resolution infrared spectra of monodeuterated chloromethane.

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