Glycinamide, a Glycine Precursor, Caught in the Gas Phase A Laser-ablation Jet-cooled Rotational Study

Abstract : Glycinamide, a glycine precursor, has been successfully generated in the gas phase by laser ablation of its hydrochloride salt, and its microwave spectrum, recorded from 6 to 16 GHz using a Chirped Pulse Fourier Transform Microwave (LA-CP-FTMW) spectrometer, is reported for the first time. The existence of a single structure stabilized by a N-a-H center dot center dot center dot NtH2 hydrogen bond has been revealed in the supersonic expansion. The complex nuclear quadrupole coupling hyperfine structure due to the two N-14 nuclei has been completely resolved and analyzed using a Molecular Beam Fourier Transform Microwave spectrometer in combination with laser ablation (LA-MB-FTMW spectrometer). The first precise data obtained on this glycine precursor could be of great importance for possible future identifications in the interstellar medium.
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Submitted on : Friday, August 24, 2018 - 2:30:06 PM
Last modification on : Tuesday, July 23, 2019 - 10:08:04 AM

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E. R. Alonso, L. Kolesnikova, E. Bialkowska-Jaworska, Z. Kisiel, I Leon, et al.. Glycinamide, a Glycine Precursor, Caught in the Gas Phase A Laser-ablation Jet-cooled Rotational Study. The Astrophysical Journal, American Astronomical Society, 2018, 861 (1), ⟨10.3847/1538-4357/aac6e9⟩. ⟨hal-01861418⟩

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