Resonance integral

{
  "id": "MLC-T-CHM-010251",
  "term": "Resonance integral",
  "field": "Chemistry",
  "definition": "A parameter in molecular orbital theory that describes the interaction energy between two atomic orbitals on adjacent atoms. It quantifies the stabilization achieved when electrons are delocalized over multiple atoms. This integral is a negative quantity, with a larger absolute value indicating stronger bonding interaction.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "hamiltonian operator",
    "molecular orbital",
    "energy",
    "radiation",
    "resonance energy"
  ],
  "references": [
    "Green Book, 2nd ed., p. 17 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1994, 66, 2513. 'Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)' on page 2525 (https://doi.org/10.1351/pac199466122513)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/resonance-integral/"
}