2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143479The purpose of this letter is to show that a rotation of Hartree-Fock canonical orbitals which minimizes the lowest eigenvalues of a configuration interaction calculation limited to the mono-excitated configurations from a given orbital allows one to construct a better starting guess for the geminal mean field configuration interaction method.Chemical PhysicsQuantum Physicstext