1. Studies of the density dependence of proton magnetic shielding in gases

   • A. Smith
   • W. T. Raynes

   OriginalPaper Pages: 77 - 87

2. Crystal and molecular structure of 1-o-nitrophenyl-3-methyl-5-tert-butylpyrazole, C₁₄H₁₇N₃O₂

   • Bruna Bovio

   OriginalPaper Pages: 89 - 97

3. The structure of 9-methyladenine salicylate

   • Robert W. Gellert
   • I-Nan Hsu

   OriginalPaper Pages: 99 - 105

4. The infrared and Raman spectra of potassium azidopentacyanocobaltate(III) dihydrate: K₃[Co(CN)₅N₃]·2H₂O

   • J. I. Amalvy
   • E. L. Varetti
   • G. Punte

   OriginalPaper Pages: 107 - 125

5. Identification of the IR frequencies of the interstitial carbon atom in some M₆C (M = Fe, Ru) carbonyl clusters by¹³ C-enrichment

   • Pier Luigi Stanghellini
   • Livio Cognolato
   • Sidney F. A. Kettle

   OriginalPaper Pages: 127 - 133

6. Force-field andab initio calculations of five-membered rings: I. Symmetry coordinates for molecules with nonideal pentagonal geometry

   • Kurt Kalcher
   • Walter Kosmus

   OriginalPaper Pages: 135 - 141

7. Force-field andab initio calculations of five-membered rings: II. Force constants and ab initio gradient calculations of the geometries of dioxoles and dithioles

   • Walter Kosmus
   • Kurt Kalcher

   OriginalPaper Pages: 143 - 150

8. Molecular and crystal structure of bis-quinolizidine immonium salts: I. Δ¹⁽⁶⁾-dehydro-17-oxosparteinium perchlorate

   • Andrzej Katrusiak
   • Zygmunt Kałuski
   • Jerzy Skolik

   OriginalPaper Pages: 151 - 163

   

9. Crystal and molecular structure of 13-oxolupanine

   • Marian Gawron
   • Teresa Borowiak
   • Waleria Wysocka

   OriginalPaper Pages: 165 - 172

10. Book review

    • M. F. C. Ladd

    BookReview Pages: 173 - 173