SEARCH Articles Figures Tables Basic NDDO Formalism General Performance Overview of Basic NDDO Models Modified NDDO Models Modified NDDO approximations NDDO (neglect of diatomic differential NDDO approach NDDO approximation NDDO method NDDO methods Austin model 1 method NDDO methods MNDO) approximation NDDO methods molecular properties NDDO parameters NDDO-SRP NDDO-based methods Neglect of Diatomic Differential Overlap NDDO) Neglect of Diatomic Differential Overlap NDDO) method Neglect of diatomic differential overlap NDDO) approximation Neglect of diatomic differential overlap NDDO) model Orbitals in NDDO Models Semiempirical approximations NDDO methods Strong and Weak Points of NDDO Semiempirical Methods