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Rotational Spectrum, Hyperfine Structure, and Internal Rotation of Methyl Carbamate

✍ Scribed by B. Bakri; J. Demaison; I. Kleiner; L. Margulès; H. Møllendal; D. Petitprez; G. Wlodarczak

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
90 KB
Volume
215
Category
Article
ISSN
0022-2852

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✦ Synopsis

Methyl carbamate, an isomer of glycine, is a possible candidate for interstellar detection. It might be more abundant than glycine and its dipole moment is much larger. Furthermore, using high-level quantum chemical calculations, it is shown that syn methyl carbamate has a lower energy than glycine. The quadrupole hyperfine structure due to 14 N has been measured using microwave Fourier transform spectroscopy. The rotational spectrum of the ground vibrational state has been measured from 8 to 240 GHz and accurate spectroscopic constants have been determined for the A internal rotation components of the rotational lines. Finally, the internal rotation splittings have been analyzed.

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