1. Editorial note

   EditorialNotes Pages: i - i

2. Crystal structure of tetraphenylarsonium nitridotetrachloroosmate(VI): a complex of five-coordinate osmium

   • Frederick L. Phillips
   • Andrzej C. Skapski

   OriginalPaper Pages: 83 - 92

3. Five coordination of tin involving a tridentate ligand: Crystal structure of N-(2-hydroxyphenyl)salicylaldimine dimethyl tin(IV)

   • David L. Evans
   • Bruce R. Penfold

   OriginalPaper Pages: 93 - 100

4. Studies in molecular structure, symmetry and conformation. IX. Crystal and molecular structure of the mixed crystal of L-threonine and L-allothreonine

   • P. Swaminathan
   • R. Srinivasan

   OriginalPaper Pages: 101 - 111

5. Crystal structure of (1R ^*,6S ^*,8R ^*,10R ^*)-8-(p-bromobenzensulfonoxy)-1,10-dimethyltricyclo [4.4.0.0^3,8]decan-2-one

   • B. L. Barnett
   • J. D. Yordy

   Note Pages: 113 - 119

6. Electronic structure of bisN,N′-diphenyl-propene-1-amino-3-imino nickel(II)

   • G. A. Webb

   Note Pages: 121 - 123

7. 3,3′-Trithiobis-(2,4-pentanedione), C₁₀H₁₄O₄S₃

   • L. F. Power
   • K. E. Turner
   • R. D. G. Jones

   Note Pages: 125 - 128

8. Crystal structure of bis(o-xylene)silver(I)perchlorate

   • I. F. Taylor Jr.
   • E. L. Amma

   Note Pages: 129 - 135

9. Nitrogen-14 nmr evidence for the pentazole ring structure

   • M. Witanowski
   • L. Stefaniak
   • G. A. Webb

   Note Pages: 137 - 140

10. Structure differentiation by means of lanthanide-induced nitrogen-14 chemical shifts

    • M. Witanowski
    • L. Stefaniak
    • G. A. Webb

    Note Pages: 141 - 143

11. Book review

    • M. F. C. Ladd

    BookReview Pages: 145 - 146

12. Crystal and molecular structure of 1,3-diphenyl-4-p-chlorobenzyl-5-pyrazolone

    • Bruna Bovio
    • Stelio Locchi

    Errata Pages: 147 - 147