1. Theoretical refinements of theendo and theexo structures of tetraborane(8) carbonyl

   • Michael Bühl
   • Paul von Ragué Schleyer

   OriginalPaper Pages: 1 - 4

2. Molecular mechanics studies of the conformations of metal complexes of 1,4,7,10,13,16-hexaazacyclooctadecane: Calculations of macrocyclic cavity size

   • Michael G. B. Drew
   • M. Amelia Santos

   OriginalPaper Pages: 5 - 14

3. An ab initio molecular orbital study of the trimethylgallium-arsine adduct: (CH₃)₃Ga:AsH₃

   • Charles W. Bock
   • Mendel Trachtman

   OriginalPaper Pages: 15 - 18

4. Vibrational spectroscopic, conductivity, and calorimetric studies on tripotassium hydrogen diselenate

   • Abdul W. Al-Kassab
   • John Liesegang
   • Bruce D. James

   OriginalPaper Pages: 19 - 22

5. Analysis of atomic displacement parameters and molecular motion in crystals. Part 2. X-ray crystal structure of K₂Ru(SO₄)₂ * 6H₂O at 160 K and 295 K

   • Hans -Beat Bürgi
   • Andrea Raselli

   OriginalPaper Pages: 23 - 31

6. An investigation of the crystalline structure of the quasi-two-dimensional metamagnet of composition [C₆H₂₂N₄]⁴⁺[CuCl₄]Cl₂ (I), with [C₆H₂₂N₄]⁴⁺=[1,4,7,10-tetraazadecane]·4HC1

   • Ivan Bernal
   • James Cetrullo
   • D. B. Losee

   OriginalPaper Pages: 33 - 40

7. Preparation and crystal structure ofexo-2,exo-6-dihydroxy-2,6-dimethyl-9-oxabicyclo[3.3.1]nonane

   • Kim C. Pich
   • Roger Bishop
   • Marcia L. Scudder

   OriginalPaper Pages: 41 - 51

8. The structure of 7,14-dicarbonylethoxyacenaphth[l,2-k]-fluoranthene and its tetracyanoquinodimethane charge transfer complex

   • Benjamin F. Plummer
   • W. Gregory Reese
   • Mariusz Krawiec

   OriginalPaper Pages: 53 - 57

9. syn, Anti isomerization of 5,5′-Bis-5H-dibenzo[a,d]cyclohepten-5-ylidene

   • Israel Agranat
   • Michal Rachel Suissa

   OriginalPaper Pages: 59 - 66

10. Book reviews

    • Joel Bernstein
    • Carol A. Venanzi
    • Mária Ács

    BookReview Pages: 67 - 69