Content: Front Cover; Advances in Quantum Chemistry, Volume 8; Copyright Page; Contents; List of Contributors; Preface; Contents of Previous Volumes; Chapter 1. Symmetry Groups of Nonrigid Molecules; I. Introduction; II. Theory; III. Applications; Appendix 1: Semidirect Product; Appendix 2: Three Theorems; References; Chapter 2. Genealogical Electronic Spin Eigenfunctions and Antisymmetric Many-Electron Wavefunctions Generated Directly from Young Diagrams; I. Introduction; II. Genealogical Spin Functions; III. Spin Functions by Group-Theoretical Techniques. IV. Generating Genealogical Spin Functions from Young DiagramsV. Proofs for Section IV; VI. Generating Antisymmetric Many-Electron Wavefunctions from Conjugate Young Diagrams; References; Chapter 3. Current Problems and Perspectives in the MO-LCAO Theory of Molecules; I. Introduction; II. Interpretation vs. Computation; III. Problems of Theoretical Chemistry; IV. The Basis Problem; V. Model Treatments of Molecules; VI. A Hamiltonian for a Reference Model; VII. The MO-LCMVAO Model; VIII. Old and New Concepts and an Outlook for the Future; Appendix; References. Chapter 4. Photoelectron Spectra Showing Relaxation Effects in the Continuum and Electrostatic and Chemical Influences of the Surrounding AtomsI. Photoelectron Spectrometry of Gaseous and Solid Samples; II. Orbital Ionization Energies and Anti-Koopmans Relaxation of the Other Orbitals; III. Hartree and Madelung Potentials, Electric and Chemical Polarizability of the Neighbor Atoms; IV. Experimental Data and the Softness Scale According to Pearson; V. What Are One-Electron Energies in Ligand Field Theory?; VI. The Question of Time-Scale and the Manne Effect; References. Chapter 5. Some Recent Developments in the Theory of Coordination Compounds of MetalsI. The Concept of Dative Bonds; II. Classical Descriptions of the Electronic Structure of Coordination Compounds; III. Quantum-Mechanical Treatments of Coordination Compounds; IV. Present Status of Descriptive Models in Inorganic Chemistry; References; Chapter 6. Effective Hamiltonian Methods for Molecular Collisions; I. Introduction; II. Collision States and Transition Probabilities; III. The Partitioning Method; IV. Approximation Techniques; V. Scattering Resonances; VI. Optical Potentials; VII. Conclusions.
Abstract: ADVANCES IN QUANTUM CHEMISTRY VOL 8