1. A new one-electron model for extended Hückel type molecular orbital calculations

   • Ryotaro Irie

   OriginalPaper Pages: 239 - 252

2. Approximate calculation of the matrix elements of Coulomb and exchange operators for the “core” electrons of the atoms Rb through Cd

   • Raffaele Montagnani
   • Oriano Salvetti

   OriginalPaper Pages: 253 - 256

3. The currant bun model of simple molecules

   • K. Tsujinaga
   • G. G. Hall

   OriginalPaper Pages: 257 - 264

4. Theoretical studies of hydrogen storage in binary Ti-Ni, Ti-Cu, and Ti-Fe alloys

   • Jozef Bicerano
   • John E. Keem
   • H. Bernhard Schlegel

   OriginalPaper Pages: 265 - 296

5. Covalent-ionic nature of the potential energy surface of the Li-CO₂ complex

   • Federico Moscardó
   • Emilio San -Fabián

   OriginalPaper Pages: 297 - 302

6. Valency and molecular structure

   • M. S. Gopinathan
   • Prabha Siddarth
   • C. Ravimohan

   OriginalPaper Pages: 303 - 322