1. Molecular and electronic structure of Br₂O

   • Igor Novak

   OriginalPaper Pages: 377 - 379

2. Ab initio study of the structure and tautomerism of internally hydrogen-bonded aromatic carbonyls: Salicylamide, salicylic Acid, and O-hydroxybenzoyl cyanide

   • Carlos M. Estévez
   • Miguel A. Ríos
   • Jesús Rodríguez

   OriginalPaper Pages: 381 - 387

3. Benzenoid isomer enumeration and a new topological paradigm

   • Jerry Ray Dias

   OriginalPaper Pages: 389 - 398

4. Comparative study by single crystal X-ray structure determinations of tetramethylaminoborane and tetramethylethene at 110 K

   • Roland Boese
   • Norbert Niederprüm
   • Dieter Bläser

   OriginalPaper Pages: 399 - 406

5. The nephelauxetic effect and ortho- to para-positronium conversion reactions promoted by Cr(III) complexes

   • Anna L. Fantola Lazzarini
   • Ennio Lazzarini

   OriginalPaper Pages: 407 - 415

6. Conformational stability, barriers to internal rotation, structural parameters, ab initio calculations, and vibrational assignment of cyclopropanecarboxaldehyde

   • J. R. Durig
   • Fusheng Feng
   • Ai -Ying Wang

   OriginalPaper Pages: 417 - 428

7. Modeling the similarities and differences between the sodalite cages (β-cages) in the generic materials

   • Brian Beagley
   • James O. Titiloye

   Review Pages: 429 - 448

8. Paradigms and paradoxes

   • Joel F. Liebman

   OriginalPaper Pages: 449 - 450

9. Book reviews

   • Sven J. Cyvin
   • B. Chamberland
   • A. T. DiBenedetto

   BookReview Pages: 451 - 453