Delocalization

{
  "id": "MLC-T-CHM-002975",
  "term": "Delocalization",
  "field": "Chemistry",
  "definition": "The spreading of electron density over multiple atoms or bonds within a molecule, rather than being confined to a single atom or bond. This phenomenon is described by resonance theory and molecular orbital theory, where electrons occupy orbitals that extend over several atoms. Delocalization often leads to increased molecular stability, as seen in aromatic compounds like benzene.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "aromatic",
    "bond order",
    "cation",
    "conjugated system",
    "contributing structure",
    "enamines",
    "mesomerism",
    "molecular entity",
    "nitro compounds",
    "radical",
    "resonance",
    "electron density",
    "valence"
  ],
  "references": [
    "PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1104 (https://doi.org/10.1351/pac199466051077)",
    "PAC, 1999, 71, 1919. 'Glossary of terms used in theoretical organic chemistry' on page 1933 (https://doi.org/10.1351/pac199971101919)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/delocalization/"
}