A Specific Interaction between Ionic Liquids' Cations and Reichardt's Dye.
Reichardt’s Dye
charge transfer
ionic liquids
molecular probes
solvatochromism
Journal
Molecules (Basel, Switzerland)
ISSN: 1420-3049
Titre abrégé: Molecules
Pays: Switzerland
ID NLM: 100964009
Informations de publication
Date de publication:
25 Oct 2022
25 Oct 2022
Historique:
received:
23
09
2022
revised:
13
10
2022
accepted:
20
10
2022
entrez:
11
11
2022
pubmed:
12
11
2022
medline:
15
11
2022
Statut:
epublish
Résumé
Solvatochromic probes are often used to understand solvation environments at the molecular scale. In the case of ionic liquids constituted by an anion and a cation, which are designed and paired in order to obtain a low melting point and other desirable physicochemical properties, these two indivisible components can interact in a very different way with the probe. This is the case with one of the most common probes: Reichardt's Dye. In the cases where the positive charge of the cation is delocalized on an aromatic ring such as imidazolium, the antibonding orbitals of the positively charged aromatic system are very similar in nature and energy to the LUMO of Reichardt's Dye. This leads to an interesting, specific cation-probe interaction that can be used to elucidate the nature of the ionic liquids' cations. Parallel computational and experimental investigations have been conducted to elucidate the nature of this interaction with respect to the molecular structure of the cation.
Identifiants
pubmed: 36364035
pii: molecules27217205
doi: 10.3390/molecules27217205
pmc: PMC9653922
pii:
doi:
Substances chimiques
Ionic Liquids
0
2,6-diphenyl-4-(2,4,6-triphenyl-1-pyridinio)phenolate
0
Pyridinium Compounds
0
Cations
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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