1. Werner Kutzelnigg a personal view

   • Reinhart Ahlrichs

   Announcement Pages: 1 - 4

2. Theoretical rotational-vibrational spectra of theX ³ B ₁,a ¹ A ₁ andb ¹ B ₁ states of NH ₂ ⁺

   • G. Chambaud
   • W. Gabriel
   • N. Feautrier

   OriginalPaper Pages: 5 - 17

3. Ab initio study of the NMR shielding constants and spin-spin coupling constants in cyclopropene

   • Andrzej Barszczewicz
   • Michal Jaszuński
   • Olav Vahtras

   OriginalPaper Pages: 19 - 28

4. Anab initio investigation of Cu₂Se and Cu₄Se₂

   • Ansgar Schäfer
   • Christian Huber
   • Reinhart Ahlrichs

   OriginalPaper Pages: 29 - 40

5. Effective potentials for spectator groups in molecular systems I. Potential curves and binding energies

   • Malte von Arnim
   • Sigrid D. Peyerimhoff

   OriginalPaper Pages: 41 - 57

6. Magnetic properties of a molecule in non-uniform magnetic field

   • P. Lazzeretti

   OriginalPaper Pages: 59 - 73

7. Relativistic virial theorem for diatomic molecules. Application to H ₂ ⁺

   • A. Rutkowski
   • W. H. E. Schwarz
   • R. Kosłowski

   OriginalPaper Pages: 75 - 87

8. Magnetic properties of the BH molecule

   • Christoph van Wüllen

   OriginalPaper Pages: 89 - 95

9. Ab initio study on the methanol-water cation radical potential energy surface

   • Rudolf Burcl
   • Pavel Hobza

   OriginalPaper Pages: 97 - 105

10. Adding the linked contributions of Triples and Quadruples to a size-consistent Singles and Doubles CI

    • J. Sanchez-Marin
    • D. Maynau
    • J. P. Malrieu

    OriginalPaper Pages: 107 - 127

11. A multi-configuration reference CEPA method based on pair natural orbitals

    • Reinhold Fink
    • Volker Staemmler

    OriginalPaper Pages: 129 - 145

12. Møller-Plesset (MP2) perturbation theory for large molecules

    • Marco Häser

    OriginalPaper Pages: 147 - 173