Universität zu Köln

Schmid, Philipp C., Thorwirth, Sven, Endres, Christian P., Toepfer, Matthias, Sanchez-Monge, Alvaro, Schwoerer, Andreas, Schilke, Peter, Schlemmer, Stephan and Asvany, Oskar (2022). Rotational Rest Frequencies and First Astronomical Search of Protonated Methylamine. Front. Astron. Space Sci., 8. LAUSANNE: FRONTIERS MEDIA SA. ISSN 2296-987X

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Abstract

We report first laboratory rest frequencies for rotational transitions of protonated methylamine, CH3NH3+ , measured in a cryogenic 22-pole ion trap machine and employing an action spectroscopy scheme. For this prolate symmetric top molecule thirteen transitions between 80 and 240 GHz were detected in the ground vibrational state, covering J(K ) = 2(K ) - 1(K ) up to J(K ) = 6(K ) - 5(K ) with K = 0, 1, 2. Some transitions exhibit noticeable structure that is attributed to internal rotation splitting. As the CN radical and several of its hydrogenated and protonated forms up to methylamine, CH3NH2, are well known entities in the laboratory and in space, protonated methylamine, CH3NH3+ , is a promising candidate for future radio astronomical detection.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Schmid, Philipp C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thorwirth, Sven UNSPECIFIED UNSPECIFIED UNSPECIFIED Endres, Christian P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Toepfer, Matthias UNSPECIFIED UNSPECIFIED UNSPECIFIED Sanchez-Monge, Alvaro UNSPECIFIED UNSPECIFIED UNSPECIFIED Schwoerer, Andreas UNSPECIFIED UNSPECIFIED UNSPECIFIED Schilke, Peter UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlemmer, Stephan UNSPECIFIED UNSPECIFIED UNSPECIFIED Asvany, Oskar UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-670799
DOI:	10.3389/fspas.2021.805162
Journal or Publication Title:	Front. Astron. Space Sci.
Volume:	8
Date:	2022
Publisher:	FRONTIERS MEDIA SA
Place of Publication:	LAUSANNE
ISSN:	2296-987X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SPECTROSCOPIC PARAMETERS; MILLIMETER-WAVE; BASIS-SETS; MANY-BODY; INTERSTELLAR; SPECTRA; ATOMS; PERTURBATION; CCSD(T); LINE Multiple languages Astronomy & Astrophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/67079