Term: twisted intramolecular charge transfer (TICT)
https://doi.org/10.1351/goldbook.T06537

Definition:
In a TICT state formed by intramolecular charge transfer in an electron donor (D)/acceptor (A) molecule, the D and A subgroups have a mutually perpendicular configuration that leads to electronic decoupling of D and A.

Related Terms:
1) intramolecular charge transfer (http://doi.org/10.1351/goldbook.IT07401).
2) electron donor (http://doi.org/10.1351/goldbook.E01988).

Source: PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 436 (https://doi.org/10.1351/pac200779030293)

Citation: 'twisted intramolecular charge transfer (TICT)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.T06537

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