About: Charge Localization on Imidazolium Ring upon Complexation with Cucurbit[6]uril     Goto   Sponge   NotDistinct   Permalink

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  • In this study, we demonstrate the formation of 1:1 inclusion complexes between imidazolium guests and CB6. We describe two different binding modes between CB6 and 1-alkyl-3-methylimidazoliums depending on the length of aliphatic chains of the guests. Unusual chemical shifts for some of the guest protons were recorded in the 1H NMR spectra upon the complexation with CB6. We explain these shifts by the polarization of the guest molecules upon the formation of the complex. While positive charge is located on one of the nitrogen atoms in imidazolium ring due to the interaction with CB6 portal, free electron pair remains on the second nitrogen.
  • In this study, we demonstrate the formation of 1:1 inclusion complexes between imidazolium guests and CB6. We describe two different binding modes between CB6 and 1-alkyl-3-methylimidazoliums depending on the length of aliphatic chains of the guests. Unusual chemical shifts for some of the guest protons were recorded in the 1H NMR spectra upon the complexation with CB6. We explain these shifts by the polarization of the guest molecules upon the formation of the complex. While positive charge is located on one of the nitrogen atoms in imidazolium ring due to the interaction with CB6 portal, free electron pair remains on the second nitrogen. (en)
Title
  • Charge Localization on Imidazolium Ring upon Complexation with Cucurbit[6]uril
  • Charge Localization on Imidazolium Ring upon Complexation with Cucurbit[6]uril (en)
skos:prefLabel
  • Charge Localization on Imidazolium Ring upon Complexation with Cucurbit[6]uril
  • Charge Localization on Imidazolium Ring upon Complexation with Cucurbit[6]uril (en)
skos:notation
  • RIV/00216224:14310/09:00042714!RIV11-MSM-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LC06030), Z(MSM0021622413)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
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  • 306849
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/09:00042714
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • cucurbiturils; host-guest systems; ionic liquids; supramolecular chemistry (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [3955797011BF]
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...iv/tvurceVysledku
  • Kulhánek, Petr
  • Marek, Radek
  • Nečas, Marek
  • Střelcová, Zora
  • Kolman, Viktor
  • Švec, Jan
  • Šindelář, Vladimír
http://linked.open...n/vavai/riv/zamer
http://localhost/t...ganizacniJednotka
  • 14310
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