1. Frontier orbital energies in quantitative structure-activity relationships: A comparison of quantum chemical methods

   • Brian W. Clare

   OriginalPaper Pages: 415 - 430

2. Electronic structure and the hydrogen-shift isomerization of hydrogen nitryl HNO₂

   • Shin-ya Takane
   • Takayuki Fueno

   OriginalPaper Pages: 431 - 439

3. The bonding in second row transition metal dihydrides, difluorides and dichlorides

   • Per E. M. Siegbahn

   OriginalPaper Pages: 441 - 452

4. A new method for approximate solution of one-dimensional Schrödinger equations

   • S. don Travlos
   • Jan C. A. Boeyens

   OriginalPaper Pages: 453 - 464

5. An analytical expression for interatomic surfaces in the theory of atoms in molecules

   • P. L. A. Popelier

   OriginalPaper Pages: 465 - 476

6. Book review

   • Vladimír Kvasnička

   BookReview Pages: 477 - 477

7. Announcements

   Announcement Pages: 478 - 478