2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166708We present an energy expression for restricted open-shell Kohn-Sham theory for N unpaired electrons and single-electron operators for all multiplets formed from up to five unpaired electrons. It is shown that it is possible to derive an explicit energy expression for all low-spin multiplets of systems that exhibit neither radial nor cylindrical symmetry.schulte.tar: tex-file and 7 figures (eps)Chemical Physicstext