Aromatic Solvent Effect on Polarity and Proton-Transfer Equilibrium in Phenol-Triethylamine Systems

Pawełka, Z.; Kuc, T.

Artykuł - szczegóły

Tytuł artykułu

Aromatic Solvent Effect on Polarity and Proton-Transfer Equilibrium in Phenol-Triethylamine Systems

Autorzy

Pawełka Z. , Kuc T.

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

Dipole moments of hydrogen-bonded complexes of 4-nitrophenol-triethylamine and 2,4,6-trichlorophenol-triethylamine have been determined in various aromatic solvents. On this basis, the Gibbs energy _GPT of the proton-transfer equilibrium has been estimated. The aromatic solvent effect on the proton transfer has been discussed in terms of two solvation contributions, arising from a local complex-aromatic molecules interaction and a long-range dielectric effect. The microstructure of the solvent near a complex has been taken into account, utilizing a dielectric model of two spherical solvent layers. The crucial effect of the size of the aromatic solvent molecules on _GPT has been simulated by variation of the thickness of the first solvation layer.

Słowa kluczowe

phenol-triethylamine complexes dipole moment proton transfer equilibrium aromatic solvent effect

Wydawca

Polskie Towarzystwo Chemiczne

Czasopismo

Polish Journal of Chemistry

Rocznik

2001

Tom

Vol. 75, nr 6

Strony

845--855

Opis fizyczny

Bibliogr. 44 poz., rys.

Twórcy

autor

Pawełka Z.

Department of Physical Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

autor

Kuc T.

Department of Physical Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikator YADDA

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