1. An examination of UHF methods for atoms in the first three rows

   • J. R. Macdonald
   • R. M. Golding

   Original Investigations Pages: 1 - 16

2. Effect of the crystalline environment upon the rotational conformation about the N-C and C-C′ bonds (Φ andΨ) in amides and peptides

   • J. Caillet
   • P. Claverie
   • B. Pullman

   Original Investigations Pages: 17 - 26

3. Molecular-orbital realizations of the bent-bond model: Spiranic derivatives of cyclobutanone

   • Amatzya Y. Meyer
   • Reuven Pasternak

   Original Investigations Pages: 27 - 38

4. Ab initio studies on several species of the formula X₃YO and X₃YOH

   • John F. Olsen
   • James M. Howell

   Original Investigations Pages: 39 - 50

5. The analysis of electron pair distribution functions in molecules

   • Ian L. Cooper
   • Christopher N. M. Pounder

   Original Investigations Pages: 51 - 58

6. Quantum-mechanical exploration of the properties of the sugar rings

   • Hélène Berthod
   • Alberte Pullman

   Original Investigations Pages: 59 - 66

7. On the investigation of pseudoscalar molecular properties and polynomial approximations according to Ruch and Schönhofer

   • Dirk Meinköhn

   Original Investigations Pages: 67 - 79

8. Book reviews

   • J. J. Fernández-Alonso
   • H. -H. Schmidtke

   BookReview Pages: 81 - 83

9. Advertisement

   Announcement Pages: 85 - 85