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  High-Resolution Rotational Spectroscopy Study of the Smallest Sugar Dimer: Interplay of Hydrogen Bonds in the Glycolaldehyde Dimer

Zinn, S., Medcraft, C., Betz, T., & Schnell, M. (2016). High-Resolution Rotational Spectroscopy Study of the Smallest Sugar Dimer: Interplay of Hydrogen Bonds in the Glycolaldehyde Dimer. Angewandte Chemie International Edition, 55(20), 5975-5980. doi:10.1002/anie.201511077.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-3E05-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-6D9E-B
Genre: Journal Article

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http://dx.doi.org/10.1002/anie.201511077 (Publisher version)
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 Creators:
Zinn, Sabrina1, 2, Author              
Medcraft, Chris3, Author
Betz, Thomas1, 2, Author              
Schnell, Melanie1, 2, 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              
2The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg (Germany), ou_persistent22              
3School of Chemistry, Newcastle University, Newcastle upon Tyne (UK), ou_persistent22              

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Free keywords: carbohydrate recognition; hydrogen bonding; microwave spectroscopy
 Abstract: Molecular recognition of carbohydrates plays an important role in nature. The aggregation of the smallest sugar, glycolaldehyde, was studied in a conformer-selective manner using high-resolution rotational spectroscopy. Two different dimer structures were observed. The most stable conformer reveals C2-symmetry by forming two intermolecular hydrogen bonds, giving up the strong intramolecular hydrogen bonds of the monomers and thus showing high hydrogen bond selectivity. By analyzing the spectra of the 13C and 18O isotopologues of the dimer in natural abundance, we could precisely determine the heavy backbone structure of the dimer. Comparison to the monomer structure and the complex with water provides insight into intermolecular interactions. Despite hydrogen bonding being the dominant interaction, precise predictions from quantum-chemical calculations highly rely on the consideration of dispersion.

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Language(s): eng - English
 Dates: 2016-02-162015-11-292016-04-062016-05-10
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/anie.201511077
 Degree: -

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Title: Angewandte Chemie International Edition
  Other : Angewandte Chemie, International Edition
  Abbreviation : Angew. Chem. Int. Ed.
Source Genre: Journal
 Creator(s):
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 55 (20) Sequence Number: - Start / End Page: 5975 - 5980 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851