1. A string model for the chemical reaction coordinate in static external fields

   • Akitomo Tachibana
   • Masahiko Koizumi
   • Tokio Yamabe

   OriginalPaper Pages: 401 - 416

2. Two-electron atomic wave functions which satisfy proportionality relations between one-and two-electron moments

   • Toshikatsu Koga

   OriginalPaper Pages: 417 - 424

3. Orbitals that minimize the variance

   • D. Filberg
   • H. Kleindienst

   OriginalPaper Pages: 425 - 432

4. The structures of HCOO⁻, CH₃COO⁻, C₂H₅COO⁻ and CH₃O⁻ in gas phase and in crystal structure by ab initio and resonance theory

   • M. Masamura

   OriginalPaper Pages: 433 - 446

5. Gradient extremals and valley floor bifurcations on potential energy surfaces

   • Wolfgang Quapp

   OriginalPaper Pages: 447 - 460

6. Intraframework potential energy function of zeolites

   • Kyoung Tai No
   • Jung Sup Kim
   • Mu Shik Jhon

   OriginalPaper Pages: 461 - 474

7. Ab initio studies of nuclear quadrupole couplings in N₂H₂ and NH₃ molecules

   • Girindra Prasad
   • Aditi Lal
   • P. Chandra

   OriginalPaper Pages: 475 - 480

8. Rotation procedure in intrinsic reaction coordinate calculations

   • Chen Zhixing

   OriginalPaper Pages: 481 - 484

9. Announcement

   Announcement Pages: 485 - 485