1. N. M. R. coupling constants

   • A. Hinchliffe
   • D. B. Cook

   Commentationes 01 April 1970 Pages: 91 - 96

2. Etats de valence ²Π et ²Δ des molécules isoélectroniques N ₂ ⁺ , CN et CO⁺

   • Françoise Guérin

   Commentationes 01 April 1970 Pages: 97 - 108

3. A non-empirical study of hydrogen bonding in the dimer of formamide

   • M. Dreyfus
   • B. Maigret
   • A. Pullman

   Commentationes 01 April 1970 Pages: 109 - 119

4. Configuration mixing involving σ and π orbitals

   • Claude Giessner-Prettre
   • Alberte Pullman

   Commentationes 01 April 1970 Pages: 120 - 130

5. Modellrechnungen an einigen Siliziumwasserstoffverbindungen vom Typ SiH_n, SiH _n ⁺ und SiH _n ⁻ nach der Einzentrenmethode

   • Hermann Hartmann
   • Lothar Papula
   • Wolfgang Strehl

   Commentationes 01 April 1970 Pages: 131 - 144

6. Determination de bases de gaussiennes optimales pour les molécules

   • D. -J. David
   • B. Mely

   Commentationes 01 April 1970 Pages: 145 - 150

7. Uncoupled Hartree-Fock calculations of the ring current properties of some heterocyclics

   • H. G. Ff. Roberts

   Relationes 01 April 1970 Pages: 151 - 154

8. MO-SCF calculations for B₂O₃

   • Joseph F. Chiang
   • Donald R. Whitman

   Relationes 01 April 1970 Pages: 155 - 157

9. Nonempirical SCF-LCAO-MO calculations for (CH)⁺

   • N. C. Baird
   • D. Lemaire

   Relationes 01 April 1970 Pages: 158 - 161

10. Recensio

    • C. Sandorfy

    BookReview 01 April 1970 Pages: 162 - 162

11. Erratum A CINDO CI study of the electronic structure and spectrum of nitrobenzene

    • B. Tinland

    Erratum 01 April 1970 Pages: 163 - 164