1. S.C.F.M.O. study of Hafner's hydrocarbons

   • N. K. DasGupta
   • M. A. Ali

   Commentationes Pages: 101 - 107

2. Ground-state energies of mono-, di-, tri- and tetranegative ions of porphins and their metal complexes

   • N. S. Hush

   Commentationes Pages: 108 - 113

3. The relative importance of delocalization terms in proton spin-spin coupling constants

   • J. N. Murrell
   • V. M. S. Gil

   Commentationes Pages: 114 - 122

4. Ein Zentralmodell für Perimetermoleküle

   • Karl Heinz Hansen
   • Ekkehard Frenkel

   Commentationes Pages: 123 - 131

5. Pariser-parr-pople calculations on different DNA constituents

   • J. Ladik
   • K. Appel

   Commentationes Pages: 132 - 144

6. Ligand field splitting in seven coordinated NbF ₇ ²⁻ -type complexes

   • M. Randić
   • Z. Maksić

   Commentationes Pages: 145 - 149

7. A topological equivalent-orbital approach to the bonding in some tetrahedral molecules

   • S. F. A. Kettle

   Commentationes Pages: 150 - 154

8. SCFMO calculations of heteroatomic systems with the variableβ approximation

   • Kichisuke Nishimoto
   • Leslie S. Forster

   Commentationes Pages: 155 - 165

9. A ligand field approach to orthoaxial complexes

   • Claus E. Schäffer

   Commentationes Pages: 166 - 173

10. Electronic structures and spectra of cyanoethylene derivatives

    • J. Halper
    • W. D. Closson
    • H. B. Gray

    Commentationes Pages: 174 - 184

11. Zur Deutung der Ultraviolett-Absorptionsspektren der Alkalihalogenid-Kristalle

    • E. Otto Steinborn
    • Günter Gliemann

    Commentationes Pages: 185 - 202

12. Annotationes et Errata

    • M. Zerner
    • M. Gouterman

    Erratum Pages: 202 - 202

13. Annotationes et Errata

    • B. D. Harcourt

    Erratum Pages: 202 - 202

14. Annotationes et Errata

    • B. D. Harcourt

    Erratum Pages: 202 - 202