期刊
CHEMICAL PHYSICS LETTERS
卷 471, 期 1-3, 页码 17-21出版社
ELSEVIER
DOI: 10.1016/j.cplett.2009.02.043
关键词
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资金
- EPSRC
- Leverhulme Trust [F/08788G]
- NSERC
- Oxford Supercomputing Centre
- STFC Laser Loan Pool
- Physical and Theoretical Chemistry Laboratory
- Biotechnology and Biological Sciences Research Council [BB/C510824/1, BB/E004350/1, EGA17763] Funding Source: researchfish
- Engineering and Physical Sciences Research Council [EP/D023335/1, EP/D023327/1, GR/T26542/01, EP/G03088X/1, EP/G026688/1, EP/E000614/1, EP/D023343/1] Funding Source: researchfish
- BBSRC [BB/E004350/1] Funding Source: UKRI
- EPSRC [EP/E000614/1, EP/G026688/1, EP/G03088X/1] Funding Source: UKRI
A carbohydrate- aromatic complex, methyl alpha-L-fucopyranoside center dot toluene, which provides a model for probing the physical basis of carbohydrate- protein 'stacking' interactions, has been created in a molecular beam and probed through IR ion dip spectroscopy in the CH and OH regions. The results are interpreted in the light of DFT calculations using the MO5-2X functional. They indicate the creation of stacked structures with the aromatic molecule bonded either to the upper or to the lower face of the pyranoside ring, through CH3,4-pi (upper) or CH1-pi (lower) interactions leading to binding energies <= 18 kJ mol(-1). (C) 2009 Elsevier B.V. All rights reserved.
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