Strong Negative Synergism of Ion Pair Extinction Coefficients in ChloroformaAcetone and Methylene DichlorideaAcetone Mixtures

Strong Negative Synergism of Ion Pair Extinction Coefficients in ChloroformaAcetone and Methylene DichlorideaAcetone Mixtures

The heteroselective preferential solvation of the iodides of N-heterocyclic aromatic cations in acetoneachloroalkane (chloroform and dichloromethane) binary mixtures results in not only a shift in the maxima of outer-sphere charge transfer absorption bands but also a considerable decrease in the mol...

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Veröffentlicht in:Mendeleev communications 2012-12, Vol.22 (6), p.320-322
Hauptverfasser: Birin, Kirill P, Dunin, Dmitry S, Tolstykh, Maxim V, Kotov, Vitalii Yu
Format: Artikel
Sprache:eng
Schlagworte:
Cations
Charge transfer
Extinction
Iodides
Ion pairs
Maxima
Methylene
Solvation
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Zusammenfassung:The heteroselective preferential solvation of the iodides of N-heterocyclic aromatic cations in acetoneachloroalkane (chloroform and dichloromethane) binary mixtures results in not only a shift in the maxima of outer-sphere charge transfer absorption bands but also a considerable decrease in the molar extinction coefficients of ion pairs.
ISSN:0959-9436