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  Cold Snapshot of a Molecular Rotary Motor Captured by High‐Resolution Rotational Spectroscopy

Domingos, S. R., Cnossen, A., Buma, W. J., Browne, W. R., Feringa, B. L., & Schnell, M. (2017). Cold Snapshot of a Molecular Rotary Motor Captured by High‐Resolution Rotational Spectroscopy. Angewandte Chemie International Edition, 56(37 SI), 11209-11212. doi:10.1002/anie.201704221.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-970B-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-B4C5-5
Genre: Journal Article

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anie.201704221.pdf (Publisher version), 2MB
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This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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2017
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https://dx.doi.org/10.1002/anie.201704221 (Publisher version)
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 Creators:
Domingos, S. R.1, 2, Author              
Cnossen, A.3, Author
Buma, W. J.4, Author
Browne, W. R.3, Author
Feringa, B. L.3, Author
Schnell, M.1, 2, 5, Author              
Affiliations:
1Structure and Dynamics of Cold and Controlled Molecules, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938292              
2Deutsches Elektronen-Synchrotron DESY, ou_persistent22              
3Stratingh Institute for Chemistry and Zernike Institute for Advanced Materials, University of Gronin gen, ou_persistent22              
4Van’t Hoff Institute for Molecular Sciences University of Amsterdam, ou_persistent22              
5Christian-Albrechts-Universität zu Kiel Institute of Physical Chemistry, ou_persistent22              

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Free keywords: high-resolution spectroscopy; large molecules; microwave spectroscopy; molecular motors; structure elucidation
 Abstract: We present the first high‐resolution rotational spectrum of an artificial molecular rotary motor. By combining chirped‐pulse Fourier transform microwave spectroscopy and supersonic expansions, we captured the vibronic ground‐state conformation of a second‐generation motor based on chiral, overcrowded alkenes. The rotational constants were accurately determined by fitting more than 200 rotational transitions in the 2–4 GHz frequency range. Evidence for dissociation products allowed for the unambiguous identification and characterization of the isolated motor components. Experiment and complementary quantum‐chemical calculations provide accurate geometrical parameters for the C27H20 molecular motor, the largest molecule investigated by high‐resolution microwave spectroscopy to date.

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Language(s): eng - English
 Dates: 2017-04-252017-06-202017-09-04
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/anie.201704221
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Project name : We thank S Ø bastien Gruet and Crist ó bal P Ø rez for fruitful discussions .Weacknowledge financial support by the Deut- sche Forschungsgemeinschaft in the context of the priority program SPP1807 (SCHN1280/4-1). Furthermore ,this work has been supported by the excellence cluster “The Hamburg Centre for Ultrafast Imaging—Structure ,Dynamics and Control of Matter at the Atomic Scale” of the Deutsche Forschungsgemeinschaft. TheMinistry of Education, Culture and Science of the Netherlands (Gravity program 024.001.035) is acknowledged (B.L.F.and W.R.B.) for finan- cial support. S.R.D.acknowledges aPostdoctoral Research Fellowship from the Alexander von Humboldt Foundation. We acknowledge the use of the GWDG computer cluster .
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Title: Angewandte Chemie International Edition
  Other : Angew. Chem., Int. Ed.
  Other : Angew. Chem. Int. Ed.
  Other : Angewandte Chemie, International Edition
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 56 (37 SI) Sequence Number: - Start / End Page: 11209 - 11212 Identifier: ISSN: 1433-7851
CoNE: /journals/resource/1433-7851