Femtochemistry of the iodine-arene charge-transfer complex

Egbert Lenderink, Koos Duppen, Douwe A. Wiersma

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Samenvatting

Femtosecond spectroscopy is used to investigate the ultrafast photochemistry of the I2:arene charge-transfer complex that occurs upon excitation into the charge-transfer state. We find that the photo-excited complex branches into two different channels within 25 fs. The dominant channel involves breaking up of the I2:arene complex in its constituent molecules, in the other channel the I:arene complex and an iodine atom are formed. From the polarization anisotropy and the absence of fast geminate recombination of the I:arene and atomic iodine fragments we conclude that in the transition state the I2:arene complex is severely distorted. The molecular I2 formed in a separate channel of the reaction recombines with arene to I2:ar in about 10 ps.
Originele taal-2English
Pagina's (van-tot)503-510
Aantal pagina's8
TijdschriftChemical Physics Letters
Volume211
Nummer van het tijdschrift6
DOI's
StatusPublished - 27-aug.-1993

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