SEARCH Articles Figures Tables Ab initio molecular orbital methods Active molecular orbitals, MCSCF methods Alternant molecular orbital method Approximate molecular orbital methods Benzene Huckel molecular orbital method CNDO/2 molecular orbital method Comparison of the Resonance and Molecular-Orbital Methods Covalent Bond Formation-Molecular Orbital (MO) Method Covalent bonds molecular orbital methods Determinant Huckel molecular orbital method Diatomic molecules molecular orbital methods Extended Hiickel molecular orbital method Extended Hiickel molecular orbital method calculation procedure Extended Hiickel molecular orbital method mechanism Fragment molecular orbital method Free-electron molecular orbital method FEMO) Free-electron molecular-orbital method Frontier molecular orbital method Frontier molecular orbital method (FMO electrocyclization Frontier molecular orbital method (FMO photochemical electrocyclization Hiickel molecular-orbital method with overlap Huckel molecular orbital method Huckel molecular orbital method assumptions Huckel molecular orbital method bond order Huckel molecular orbital method extended Huckel molecular orbital method extended, applications Huckel molecular orbital method generalizations Huckel molecular orbital method simple Huckel molecular orbital method simple, applications Huckel molecular orbital method topological Huckel molecular-orbital method with overlap Kohn-Sham molecular orbital method Localization of molecular orbitals within the RHF method Localized molecular orbitals methods MINDO/3 (Modified Intermediate Neglect molecular orbital method MNDO molecular orbital method Method of molecular orbitals Methods for Getting Valence Bond Quantities from Molecular Orbital-Based Procedures Molecular orbital calculations CNDO methods Molecular orbital calculations, light method Molecular orbital cluster method Molecular orbital method Coulomb integrals Molecular orbital method Hiickel approximation Molecular orbital method and sum-over-states perturbation theory Molecular orbital method heteroatoms Molecular orbital method integrals Molecular orbital method nitrogen Molecular orbital method overlap Molecular orbital method resonance Molecular orbital method secular equations Molecular orbital method symmetry-based Molecular orbital method/theory Molecular orbital methods CNDO method Molecular orbital methods Hiickel Molecular orbital methods LCAO approximation Molecular orbital methods MINDO method Molecular orbital methods MNDO method Molecular orbital methods Moller-Plesset theory Molecular orbital methods QCISD Molecular orbital methods electron correlation Molecular orbital methods electron distribution from Molecular orbital methods extended Hiickel method Molecular orbital methods extended Huckel method Molecular orbital methods perturbation theory Molecular orbital methods qualitative application Molecular orbital theory CNDO method Molecular orbital theory LCAO method (linear combination Molecular orbital theory MINDO method Molecular orbital theory MNDO method Molecular orbital theory Pariser-Parr-Pople method Molecular orbital theory approximate methods Molecular orbital theory semi-empirical methods Molecular orbital theory semiempirical methods Molecular orbital valence bond method Molecular orbitals LCAO method Molecular orbitals LCAO method (linear combination Molecular orbitals frontier orbital method Molecular orbitals hybridized orbital method Molecular orbitals semiempirical methods Molecular orbitals, 228 methods Nonempirical molecular orbital method PPP molecular orbital method Pariser-Pople-Parr molecular orbital method Perturbation molecular orbital method Perturbational Molecular Orbital (PMO) Method Perturbational molecular orbital method Semi-empirical methods molecular orbitals Semi-empirical molecular orbital methods Semiempirical molecular orbital method repulsive energy Semiempirical molecular orbital methods Semiempirical molecular orbital methods parameterization Semiempirical molecular orbital methods reference data The Basic Ideas of Molecular Orbital Methods The Free-Electron Molecular Orbital Method The Non-bonding Molecular Orbital Method