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  Infrared spectrum and structure of the homochiral serine octamer-dichloride complex

Seo, J., Warnke, S., Pagel, K., Bowers, M. T., & Helden, G. v. (2017). Infrared spectrum and structure of the homochiral serine octamer-dichloride complex. Nature Chemistry, 9, 1263-1268. doi:10.1038/nchem.2821.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-981E-E Version Permalink: http://hdl.handle.net/21.11116/0000-0004-7F9F-C
Genre: Journal Article

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 Creators:
Seo, Jongcheol1, Author              
Warnke, Stephan1, Author              
Pagel, Kevin1, 2, Author              
Bowers, Michael T.3, Author
Helden, Gert von1, Author              
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
2Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, Berlin 14195, Germany, ou_persistent22              
3Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, California 93106, USA, ou_persistent22              

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Free keywords: Infrared spectroscopy; Physical chemistry; Optical spectroscopy; Structural properties
 Abstract: The amino acid serine is known to form a very stable octamer that has properties that set it apart from serine complexes of different sizes or from complexes composed of other amino acids. For example, both singly protonated serine octamers and anionic octamers complexed with two halogen ions strongly prefer homochirality, even when assembled from racemic D,L mixtures. Consequently, the structures of these complexes are of great interest, but no acceptable candidates have so far been identified. Here, we investigate anionic serine octamers coordinated with two chloride ions using a novel technique coupling ion mobility spectrometry–mass spectrometry with infrared spectroscopy, in combination with theoretical calculations. The results allow the identification of a unique structure for (Ser8Cl2)2- that is highly symmetric, very stable and homochiral and whose calculated properties match those observed in experiments

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Language(s): eng - English
 Dates: 2016-11-222017-06-062017-07-102017-12
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/nchem.2821
 Degree: -

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Title: Nature Chemistry
  Abbreviation : Nat. Chem.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: 6 Volume / Issue: 9 Sequence Number: - Start / End Page: 1263 - 1268 Identifier: ISSN: 1755-4330
CoNE: /journals/resource/1755-4330