- PII
- 10.31857/S0044453723040088-1
- DOI
- 10.31857/S0044453723040088
- Publication type
- Status
- Published
- Authors
- Volume/ Edition
- Volume 97 / Issue number 4
- Pages
- 559-564
- Abstract
- Here we introduce a methodology for calculating vertical detachment energies (VDE) and vertical ionization energies (VIE) of anionic and neutral chromophores in aqueous environment. The proposed method is based on the extended multiconfigurational quasidegenerate perturbation theory coupled to the explicit treatment of solvent effects in the frame of the effective fragment potential method. We show that the solvent polarization contribution must be considered for getting accurate quantitative estimations of VDEs and VIEs. The calculated values of VDE for phenolate (7.3 eV) and VIE for phenol (7.9 eV) in aqueous environment are in good agreement with the experimental results obtained using X-ray and multiphoton UV photoelectron spectroscopy. Our approach will be useful for studying processes of photoinduced electron transfer from anionic as well as neutral biological chromophores in aqueous solution.
- Keywords
- фотоиндуцированная ионизация фотоиндуцированный срыв электрона потенциал ионизации сольватация фотоэлектронная спектроскопия многоконфигурационные методы квантовой химии метод потенциалов эффективных фрагментов
- Date of publication
- 12.09.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 6
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