SEARCH Articles Figures Tables Ab initio VB theory Applying VB theory Are the Failures of VB Theory Real Are the Failures of VB Theory Real Ones Basic VB Theory Bond (VB) Theory Classical VB theory Comparison of VB and MO Theories Comparison of the MO and VB Theories Homonuclear diatomic molecules valence bond (VB) theory Multiconfiguration VB theory. Non-orthogonal orbitals Multiconfiguration VB theory. Orthogonal orbitals One-configuration VB theory. Non-orthogonal orbitals Qualitative VB theory Reemergence of VB Theory Resonating VB theory Right Electron Correlation in the MO and VB Theories Roots of VB Theory Spatial Symmetry in VB Theory Spin-coupled VB theory The Central Themes of VB Theory The Rise and Fall of Classical VB Theory The Spin Hamiltonian VB Theory The limitations of VB theory Valence Bond (VB) Theory and Orbital Hybridization Vergleich zwischen VB- und MO-Theorie