1. Maximum valence structures in nonbenzenoid polycyclic hydrocarbons

   • Milan Randić
   • Dejan Plavšić
   • Nenad Trinajstić

   OriginalPaper Pages: 543 - 554

2. The simplest coronoids: Hollow hexagons

   • Sven J. Cyvin
   • Jon Brunvoll
   • E. Brendsdal

   OriginalPaper Pages: 555 - 566

3. Effect of the amine group on relative bond strengths in cubane and azacubanes

   • Jane S. Murray
   • Jorge M. Seminario
   • Peter Politzer

   OriginalPaper Pages: 567 - 573

4. Ab initio study of the structure and tautomerism of internally hydrogen-bonded aromatic carbonyls: Salicylaldehyde and o-hydroxyacetophenone

   • Ana M. Graña
   • Miguel A. Ríos
   • Jesús Rodríguez

   OriginalPaper Pages: 575 - 580

5. Contribution to the systematics of r₀-derived molecular structure determinations from rotational parameters

   • H. D. Rudolph

   OriginalPaper Pages: 581 - 588

6. Vibronic spectral behavior of molecules: XVIII. Theoretical contribution to the S₁→S₀ fluorescence of the isomeric phenyl naphthalenes within the Herzberg-Teller approach

   • Klaus Gustav
   • Michael Storch

   OriginalPaper Pages: 589 - 594

7. Structure and properties of lanthanide catalysts: the crystal and molecular structure of SmBr₃·4iPr(OH)

   • L. E. Depero
   • M. T. Arienti
   • M. C. Gallazzi

   OriginalPaper Pages: 595 - 600

8. Conformational analysis of flavonoids: Crystal and molecular structure of 3′,5′-dibromo-3-methyl-6,4′-dihydroxyflavone (1:2) triphenylphosphine oxide complex

   • Vivian Cody
   • Joseph Luft
   • Klaus Irmscher

   OriginalPaper Pages: 601 - 606

9. Book reviews

   • Joel F. Liebman
   • G. Schultz
   • Peter Diehl

   BookReview Pages: 607 - 609