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Updated: Apr 27, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
Published on: July 27, 2018
Dynamics of photodissociation of XeF2 in organic solvents
Greg T Dunning1, Thomas J Preston, Andrew J Orr-Ewing
1School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK. a.orr-ewing@bristol.ac.uk.
Abstract:
Transient electronic absorption measurements with 1 ps time resolution follow XeF2 photoproducts in acetonitrile and chlorinated solvents. Ultraviolet light near 266 nm promptly breaks one Xe-F bond, and probe light covering 320-700 nm monitors the products. Some of the cleaved F atoms remain in close proximity to an XeF fragment and perturb the electronic states of XeF. The time evolution of a perturbed spectral feature is used to monitor the FXe-F complex population, which decays in less than 5 ps. Decay can occur through geminate recombination, diffusive separation or reaction of the complex with the solvent.
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