1. Simple electrostatic models for vibrating unsymmetrical triatomic molecules and triatomic ions

   • José Luis Gázquez
   • N. K. Ray
   • Robert G. Parr

   Original Investigations Pages: 1 - 11

2. Alternative paths in the ring opening of oxadiaziridine: The diimide N-oxide versus the oxodiimide rearrangement

   • Renzo Cimiraglia
   • Maurizio Persico
   • Jacopo Tomasi

   Original Investigations Pages: 13 - 23

3. A molecular orbital approach to the fragmentation of the acetaldehyde cation radical

   • Koichi Yamashita
   • Shigeki Kato
   • Kenichi Fukui

   Original Investigations Pages: 25 - 35

4. Calculation of some electronic excited states of formaldehyde

   • Renato Colle
   • Raffaele Montagnani
   • Oriano Salvetti

   Original Investigations Pages: 37 - 44

5. Atomic charges in the multiple scattering molecular orbital method

   • Sven Larsson

   Original Investigations Pages: 45 - 53

6. Ab initio calculation of the band structure of some boron-nitrogen polymers

   • D. R. Armstrong
   • J. Jamieson
   • P. G. Perkins

   Original Investigations Pages: 55 - 65

7. A steepest-descent method for the calculation of localized orbitals and pseudoorbitals

   • Hermann Stoll
   • Gerhard Wagenblast
   • Heinzwerner Preuss

   Original Investigations Pages: 67 - 76

8. Molecular orbital calculations based on linear combinations of fragment orbitals

   • Martin Klessinger

   Original Investigations Pages: 77 - 92