1. An ab initio molecular orbital study of the protonation of amines

   • A. C. Hopkinson
   • Imre G. Csizmadia

   Commentationes Pages: 93 - 103

2. Configuration interaction by the method of bonded functions, some preliminary calculations

   • Geerd H. F. Diercksen
   • B. T. Sutcliffe

   Commentationes Pages: 105 - 114

3. Hydrogen bonding in long chains of hydrogen fluoride and long chains and large clusters of water molecules

   • Alfred Karpfen
   • Janos Ladik
   • Sàndor Suhai

   Commentationes Pages: 115 - 127

4. Graph theory and molecular orbitals

   • Dragoš Cvetković
   • Ivan Gutman
   • Nenad Trinajstić

   Commentationes Pages: 129 - 136

5. INDO Investigation of the halogen N.Q.R. frequencies and ¹⁴N nuclear quadrupole coupling constants of halothiophenes and halopyridines

   • V. Galasso

   Commentationes Pages: 137 - 144

6. Solvent interaction within the Hartree-Fock SCF molecular orbital formalism

   • Henry A. Germer Jr.

   Commentationes Pages: 145 - 155

7. The electronic structure of periodic protein models

   • Sándor Suhai

   Commentationes Pages: 157 - 163

8. Electrostatic energies of the {CoNO}⁸ group in ligand fields

   • Robert D. Feltham
   • John H. Enemark

   Relationes Pages: 165 - 167

9. Recensiones

   • H. Labhart

   BookReview Pages: 168 - 168