1. Ab initio calculations on small hydrides including electron correlation

   • Reinhart Ahlrichs
   • Werner Kutzelnigg

   Commentationes Pages: 377 - 387

2. Physical properties of many-electron atomic systems evaluated from analytical Hartree-Fock functions

   • Jon Thorhallsson
   • Carolyn Fisk
   • Serafin Fraga

   Commentationes Pages: 388 - 392

3. Hybridization and correlation in a model calculation of a two-electron bond

   • Beniamino Cadioli
   • Ugo Pincelli
   • Giuseppe Del Re

   Commentationes Pages: 393 - 405

4. Quantenmechanische Zweizentren-Coulomb-Modelle für Acetylen, Äthylen und Äthan

   • Hermann Hartmann
   • Klaus Helfrich

   Commentationes Pages: 406 - 422

5. Extended Hückel calculations on the conformation and structure of thymine photodimers

   • Frank Jordan
   • Bernard Pullman

   Commentationes Pages: 423 - 434

6. 1,2,5-, 1,3,4- and 1,2,4-Oxadiazoles

   • R. D. Brown
   • B. A. W. Coller
   • J. E. Kent

   Commentationes Pages: 435 - 446

7. Physical nature of the chemical bond

   • J. B. Moffat

   Relationes Pages: 447 - 453

8. Double orbital exponent SCF functions for H₂O, NH₃, CH₄

   • Carla Guidotti
   • Oriano Salvetti

   Relationes Pages: 454 - 457

9. Calculation of proton coupling constants for dibenzothiophene radical anion

   • A. Hinchliffe
   • N. Trinajstić

   Relationes Pages: 458 - 460

10. On the electronic structure of the hydrogen-bond: Formamide and its dimers

    • A. Pullman
    • H. Berthod

    Relationes Pages: 461 - 464

11. Recensiones

    • Karl Hensen
    • H. Gebelein
    • Ernst-Albrecht Reinsch

    BookReview Pages: 465 - 466

12. Erratum

    • J. P. Malrieu
    • P. Claverie
    • S. Diner

    Erratum Pages: 467 - 467

13. Erratum

    • D. T. Clark

    Erratum Pages: 467 - 467