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intramolecular charge transfer, (ICT)

Process that changes the overall charge distribution in a molecule.
For intramolecular charge transfer in the excited state, several models are discussed in the literature based on the molecular structure of the final state reached upon photo-induced ICT: planar intramolecular charge transfer (PICT) or twisted intramolecular charge transfer (TICT). For example, an ICT has been proposed to be responsible for the strongly Stokes-shifted additional fluorescence band in fluorescent molecules with two fluorescence bands (dual fluorescent molecules).
PAC, 2007, 79, 293 (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 357
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
Last update: 2014-02-24; version: 2.3.3.
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