Abstract
Excited state intramolecular proton transfer (ESIPT) in salicylideneaniline (SA) and selected derivatives substituted in para -position of the anilino group has been investigated by femtosecond time-resolved photoelectron spectroscopy (TRPES) and time-dependent density functional theory (TDDFT). The planarity of the molecule was found to be a key parameter to describe ESIPT.
Highlights
Proton transfer is a fundamental and important chemical reaction in biological systems
Excited state intramolecular proton transfer (ESIPT) in salicylideneaniline (SA) and selected derivatives substituted in para-position of the anilino group has been investigated by femtosecond time-resolved photoelectron spectroscopy (TRPES) and time-dependent density functional theory (TDDFT)
We found a drastic dependence of the photo-induced dynamics of SA on the excitation energies
Summary
Proton transfer is a fundamental and important chemical reaction in biological systems. Excited state intramolecular proton transfer (ESIPT) in salicylideneaniline (SA) and selected derivatives substituted in para-position of the anilino group has been investigated by femtosecond time-resolved photoelectron spectroscopy (TRPES) and time-dependent density functional theory (TDDFT). We study the excited state proton transfer (ESIPT) reaction in salicylideneaniline (SA). The basic understanding of the mechanism is as follows: In the ground state, the enol form is more stable than the keto form.
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