1. Editorial: Same journal, new publisher

   • István Hargittai
   • Arthur Greenberg

   EditorialNotes Pages: 1 - 2

2. The influence of basis set on the ab initio prediction of internal rotation barrier heights in ethene thiol

   • Christopher Plant
   • James E. Boggs
   • Gwilym A. Williams

   OriginalPaper Pages: 3 - 8

3. The electronic structure and conformation of dimethylaminobenzonitrile

   • Sherif A. Kafafi
   • John P. LaFemina
   • Gregory K. Schenter

   OriginalPaper Pages: 9 - 14

4. An ab initio structural and vibrational analysis of gauche,trans,trans- and gauche,cis,trans-hexa-1,3,5-trienes

   • Yurii N. Panchenko
   • Sergei V. Krasnoshchiokov
   • Charles W. Bock

   OriginalPaper Pages: 15 - 26

5. Octa-1,3,5,7-tetraene: Ab initio geometries and vibrational spectra of some stable structures

   • Yurii N. Panchenko
   • Charles W. Bock

   OriginalPaper Pages: 27 - 35

6. An investigation of the adiabatic potential energy surface of a Pseudo-Jahn-Teller complex using X-ray diffraction

   • Charles J. Simmons

   OriginalPaper Pages: 37 - 52

7. Molecular enthalpies: 1. Ground-state thermodynamic and computed enthalpies of the norbornadiene cycle

   • D. W. Rogers
   • F. J. McLafferty
   • Yeping Zhao

   OriginalPaper Pages: 53 - 58

8. Guest control of diol inclusion host lattices

   • Alison T. Ung
   • Roger Bishop
   • Marcia L. Scudder

   Communication Pages: 59 - 61

9. Hydrogen-bonding contributions to the lattice energy of salts for second harmonic generation

   • Christer B. Aakeröy
   • Kenneth R. Seddon
   • Maurice Leslie

   Communication Pages: 63 - 65

10. Book reviews

    • Kurt Mislow
    • Alan L. Mackay
    • E. T. Samulski

    BookReview Pages: 67 - 71