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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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https://hal.archives-ouvertes.fr/hal-01546592
Contributor : Agnès Bussy <>
Submitted on : Saturday, June 24, 2017 - 10:21:20 PM
Last modification on : Friday, April 17, 2020 - 10:46:12 AM

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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. ⟨10.1039/C6CP06168K⟩. ⟨hal-01546592⟩

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