Files in this item

FilesDescriptionFormat

application/pdf

application/pdf4512.pdf (18kB)
AbstractPDF

Description

Title:14N NUCLEAR QUADRUPOLE HYPERFINE STRUCTURE AND LARGE AMPLITUDE MOTIONS IN 2-METHYL-2-IMIDAZOLINE STUDIED BY ROTATIONAL SPECTROSCOPY
Author(s):Luková, Kateřina
Contributor(s):Urban, Stepan ; Kisiel, Zbigniew ; Koucký, Jan ; Nesvadba, Radim ; Kania, Patrik ; Vávra, Karel ; Kolesniková, Lucie
Subject(s):Mini-symposium: Large Amplitude Motions
Abstract:2-methyl-2-imidazoline, also known as lysidine, is a non-planar heterocyclic molecule containing two $^{14}$N quadrupolar nuclei and one methyl group. The rotational spectra of this molecule were recorded in the frequency range from 7 to 20~GHz using a pulsed molecular jet Fourier transform microwave spectrometer\footnote{V. Kabourek, P. \v{C}ern\'{y}, P. Piksa, T. Studeck\'{y}, P. Kania, \v{S}. Urban, \textit{Radioengineering}, 22, (2013), 1288–1295.} and in selected frequency regions between 90 and 220 GHz using two different millimetre-wave spectrometers\footnote{P. Kania, L. St\v{r}\'{i}tesk\'{a}, M. \v{S}ime\v{c}kov\'{a}, \v{S}. Urban, \textit{J. Mol. Struct.}, 1–3, (2006), 209–218.}\footnote{Z. Kisiel, A. Kra\'{s}nicki, \textit{J. Mol. Spectrosc.}, 262, (2010), 82–88.}. Lysidine displays a very rich millimetre wave spectrum presumably attributable to the presence of two large amplitude motions in the molecule: an internal rotation of the methyl group and a ring-puckering motion. The decimetre-wave spectra are even more complex as the hyperfine structure arising from the nuclear quadrupole coupling interactions of two $^{14}$N nuclei is also resolved. The first analysis of this challenging spectrum guided by quantum chemical calculations is reported in the present contribution.
Issue Date:23-Jun-20
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:CONFERENCE PAPER/PRESENTATION
Type:Text
Language:English
URI:http://hdl.handle.net/2142/107437
Date Available in IDEALS:2020-06-26


This item appears in the following Collection(s)

Item Statistics