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Solvent effect on the charge-transfer absorption of molecular electron-donor-acceptor complexes

✍ Scribed by I. Deperasinska; J. Prochorow

Publisher
Elsevier Science
Year
1977
Weight
490 KB
Volume
11
Category
Article
ISSN
0378-4487

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✦ Synopsis

The influence of solvent polarity on spectroscopic and thermodynamic properties of molecular electron-donor-acceptor (EDA) complexes is discussed. Analysis of experimental data leads to the conclusion that the ground state of EDA complex is destabilized with increasing polarity of solvent and this is said to be due to the decrease of energy of electrostatic interactions within the complex. This effect together with the Onsager's model of solvation constitute a basis for a new method of evaluation of solvent effects on charge-transfer absorption spectra of complexes. Results of calculations performed within the framework of this method are in good agreement with experimental results.

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