Title: planar intramolecular charge transfer
Long Title: IUPAC Gold Book - planar intramolecular charge transfer
DOI: 10.1351/goldbook.PT07418
Status: current

Definition
In a PICT state formed by intramolecular charge transfer in an electron donor ($\ce{D}$)/acceptor ($\ce{A}$) molecule, the $\ce{D}$ and $\ce{A}$ subgroups have an overall planar configuration, with substantial electronic coupling of $\ce{D}$ and $\ce{A}$.

Related Terms
- coupling: https://goldbook.iupac.org//terms/view/C01025
- electron donor: https://goldbook.iupac.org//terms/view/E01988
- intramolecular charge transfer: https://goldbook.iupac.org//terms/view/IT07401

Source
- PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 401 (https://doi.org/10.1351/pac200779030293)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/PT07418/html
- json: https://goldbook.iupac.org/terms/view/PT07418/json
- xml: https://goldbook.iupac.org/terms/view/PT07418/xml

Citation: Citation: 'planar intramolecular charge transfer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.PT07418
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Accessed: 2026-06-30T12:35:01+00:00