Title: coulomb integral
Long Title: IUPAC Gold Book - coulomb integral
DOI: 10.1351/goldbook.C01366
Status: current
Index: quantity

Definition
Integral over space of the type \(\int \psi _{r}\ast \ \hat{H}\ \psi _{r}\ \rm{d}\tau \) where \(\hat{H}\) is the hamiltonian operator containing electrostatic potential energy terms and \(\psi \) is a one-electron wavefunction.

Related Term
- hamiltonian operator: https://dev.goldbook.iupac.org/terms/view/H02730

Source
- Green Book, 2nd ed., p. 17 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)

Other Outputs
- html: https://dev.goldbook.iupac.org/terms/view/C01366/html
- json: https://dev.goldbook.iupac.org/terms/view/C01366/json
- xml: https://dev.goldbook.iupac.org/terms/view/C01366/xml

Citation: Citation: 'coulomb integral' 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.C01366
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Accessed: 2026-06-13T04:30:25+00:00