coulomb integral, \(H_{\textrm{rr}}\)

https://doi.org/10.1351/goldbook.C01366
Integral over space of the type \(\int \psi _{r}\ast \ \hat{H}\ \psi _{r} \:\mathrm{d}\tau \) where \(\hat{H}\) is the @H02730@ containing electrostatic potential energy terms and \(\psi \) is a one-electron wavefunction.
Source:
Green Book, 2nd ed., p. 17 [Terms] [Book]