Author:
Medcraft Chris,Schnell Melanie
Abstract
Abstract
The rotational spectra of the two structurally related molecules,
1,4-cineole and 1,8-cineole (eucalyptol), were measured between
2–8.5 GHz with chirped pulse Fourier transform microwave
spectroscopy. The structures of these two molecules only differ in the
connectivity of an ether functional group. This results in
a significant change in the three dimensional structure of the
molecule and consequently large differences in the rotational
spectra. Only one conformer of each molecule was detected in the
molecular jet and no line splittings due to internal rotations were
detected. A substitution structure (r
s
) was determined for
eucalyptol and benchmarked to quantum chemical structures allowing for
a comparison of eucalyptol and 1,4-cineole.
Subject
Physical and Theoretical Chemistry
Cited by
14 articles.
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