1. Valence-Bond Bond-Order Formultion for Contact Nuclear Spin-Spin Coupling 2. Structures and Conformations of he Cyclohexadienes 3. The MIcrowave Spectra, Molecular Structure, and Dipole Momnt of Phosphirane 4. Spectroscopic Studies of the Solvtion of Alkali Metal Ions in Dialkyl Sulfoxide Solutions 5. heteroconjungation of the Sulfate and Bisulfate Ions in Acetonitrle with Uncharged Hydr…