Term: ribbon delocalisation
https://doi.org/10.1351/goldbook.RT07095

Definition:
Electron delocalization realized in both acyclic and cyclic π-conjugated, 1, and σ-bonded, 2, ribbon-like systems. RT07095.png For cyclic systems, a variety of linkage fashions between several ribbons (pericyclic, spirocyclic, longicyclic and laticyclic) is possible.

Related Terms:
1) delocalization (http://doi.org/10.1351/goldbook.D01583).

Image: Not defined (https://goldbook.iupac.org/img/inline/RT07095.png) 

Source: PAC, 1999, 71, 1919. 'Glossary of terms used in theoretical organic chemistry' on page 1961 (https://doi.org/10.1351/pac199971101919)

Citation: 'ribbon delocalisation' 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.RT07095

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