2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/86708Use of density-functional theory in a $Δ$self-consistent field framework result in both the ground- and two lowest electronicly excited states of the NaCl and LiCl. The accuracy of this method is confirmed using a multi-configuration self-consistent field method to obtain the same states. The overall good agreement between the calculated ground and excited potential-energy surfaces speaks promising for the computationally simple $Δ$self-consistent field method.5 pages, 4 figuresChemical PhysicsComputational Physicstext