Supramolecular influence on cis-trans isomerization probed by ion mobility spectrometry.

Abstract : We used tandem ion mobility spectrometry measurements to investigate how the photo-isomerization of a chromophore (a methylpyridinium derivative) is affected by the complexation with a crown ether. A dramatic blue-shift of the photo-isomerization spectrum was observed upon complexation, which could be well reproduced by ab initio calculations. Our results support that the observed changes in the photo-physical properties of the chromophore originate from the charge-solvation of its pyridinium moiety by the host cage.
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  • HAL Id : hal-01546592, version 1
  • PUBMED : 27853790

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Izabella Czerwinska, Alexander Kulesza, Changmin Choi, Fabien Chirot, Anne-Laure Simon, et al.. Supramolecular influence on cis-trans isomerization probed by ion mobility spectrometry.. Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2016, 18 (47), pp.32331-32336. 〈hal-01546592〉

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