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Journal Article

Structure determination of trans-cinnamaldehyde by broadband microwave spectroscopy

MPS-Authors
/persons/resource/persons140385

Zinn,  Sabrina
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany ;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany ;

/persons/resource/persons140381

Betz,  Thomas
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany ;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany ;

/persons/resource/persons140396

Medcraft,  Chris
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany ;

/persons/resource/persons22077

Schnell,  Melanie
Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany ;
Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany ;

External Resource

http://dx.doi.org/10.1039/C5CP02582F
(Publisher version)

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c5cp02582f.pdf
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Citation

Zinn, S., Betz, T., Medcraft, C., & Schnell, M. (2015). Structure determination of trans-cinnamaldehyde by broadband microwave spectroscopy. Physical Chemistry Chemical Physics, 17(24), 16080-16085. doi:10.1039/C5CP02582F.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0027-7EA2-D
Abstract
The rotational spectrum of trans-cinnamaldehyde ((E)-3-phenyl-2-propenal, C9H8O) was recorded by chirped-pulse Fourier transform microwave spectroscopy in the frequency range of 2–8.5 GHz. The odourant molecule is the essential component of cinnamon oil and causes the characteristic smell. The rotational signatures of two conformers were observed: s-trans–trans- and s-cis–trans-cinnamaldehyde. The rotational spectra of s-trans–trans-cinnamaldehyde and all of its 13C-monosubstituted species in natural abundance were assigned and the corresponding carbon backbone structure was determined. The second conformer s-cis–trans-cinnamaldehyde is about 9 kJ mol−1 higher in energy and could also be identified in the spectrum.