SEARCH Articles Figures Tables Activation space Activation theory Active orbitals Active space Active space orbitals Complete active self-consistent field Complete active space Complete active space self-consistent field Molecular Orbitals Theory Molecular activity Molecular field theory Molecular orbit theory Molecular orbital fields Molecular orbital theory Molecular orbitals self-consistent fields Molecular space Orbit space Orbital active space Orbital space Self consistent field orbitals Self-Consistent Field Self-activation Self-consistent field molecular Self-consistent field theory Self-consistent theory Self-consisting fields Space theory