1. Theory of helicenic hydrocarbons. Part 3: Enumeration of extremal helicenes

   • S. J. Cyvin
   • B. N. Cyvin
   • J. Brunvoll

   OriginalPaper Pages: 295 - 306

2. Geometrical consequences of resonance-assisted intramolecular hydrogen-bond formation from Ab initio MO calculations on 2-nitroresorcinol

   • Charles W. Bock
   • István Hargittai

   OriginalPaper Pages: 307 - 312

3. Rotational spectrum and bending potential of LiOH: A semirigid bender analysis

   • D. McNaughton
   • L. M. Tack
   • P. D. Godfrey

   OriginalPaper Pages: 313 - 319

4. Relative thermodynamic stabilities of isomeric 1,2-dialkoxyethenes

   • Esko Taskinen
   • Hannu Björkqvist

   OriginalPaper Pages: 321 - 326

5. Probing chemical transformations in organic solids via NMR techniques: The solid-state photodimerization reaction of 7-methoxy-4-methylcoumarin

   • Sheila G. Stitchell
   • Kenneth D. M. Harris
   • Abil E. Aliev

   OriginalPaper Pages: 327 - 333

6. Aryl ring twists in tris(2,6-dimethoxyphenyl)-z tripod ethers: X-ray analysis of an isostructural series of triarylpropellers

   • Scott J. Stoudt
   • Prakash Gopalan
   • James E. Jackson

   OriginalPaper Pages: 335 - 340

7. The energetics of ions, atoms, and salts: Sodium and its chloride

   • Joel F. Liebman
   • Deborah Van Vechten
   • Arne Haaland

   OriginalPaper Pages: 341 - 343

8. Book reviews

   • Ferenc Szabadváry
   • Reidar Stölevik
   • Arthur Greenberg

   BookReview Pages: 345 - 347