1. The crystal field theory for D_2d symmetric complexes and the splitting of d-orbitals of Mo⁵⁺ in Mo[S₂CN(C₂H₅)₂]₄I₃

   • Yang Jian-Hua
   • Zhou Kang-Wei

   OriginalPaper Pages: 929 - 931

2. Structure of 17β-hydroxy-1,4-androstadien-3-one monohydrate C₁₉H₂₆O₂·H₂O

   • Zdzisław Gałdecki
   • Paweł Grochulski
   • Andrzej Szyczewski

   OriginalPaper Pages: 933 - 939

3. Structure of 17β-hydroxy-4-pregnen-20-yn-3-one, C₂₁H₂₈O₂

   • Zdzisław Gałdecki
   • Paweł Grochulski
   • William L. Duax

   OriginalPaper Pages: 941 - 947

4. Structure of 6β-acetoxyprogesterone, C₂₃H₃₂O₄

   • Zdzisław Gałdecki
   • Paweł Grochulski
   • William L. Duax

   OriginalPaper Pages: 949 - 955

5. Di-μ-sulphido-bis[4-methyl-piperidinedithiocarbamate tin(IV)]: Synthesis, characterization, and crystal and molecular structure

   • Antonio C. Fabretti
   • Carlo Preti

   OriginalPaper Pages: 957 - 966

6. Crystal and molecular structures of 1-(2-iso butylylcarbamoyl propan-2-ylamino) 3-(1-naphthyloxy)propan-2-ol hydrochloride (1) (C₂₁H₃₁N₂O₃Cl) and 1-(2-isobutyloxycarbonylo propan-2-ylamino) 3-(1-naphthyloxy)propan-2-ol hydrochloride (2) (C₂₁H₃₀NO₄Cl)

   • M. W. Wieczorek
   • G. D. Bujacz
   • A. Wojciechowska

   OriginalPaper Pages: 967 - 982

7. Structure of progesterone hydroquinone monohydrate (1∶1∶1), C₂₁H₃₀O₂·C₆H₆O₂·H₂O

   • Zdzisław Gałdecki
   • Paweł Grochulski
   • William L. Duax

   OriginalPaper Pages: 983 - 991

8. Synthesis and UV photoelectron investigation of the “peptide units” of α,β-dehydroamino acids

   • J. A. Mayoral
   • C. Cativiela
   • F. de Zuane

   OriginalPaper Pages: 993 - 1001

9. A¹³C and¹⁵N NMR study of some furoxans and related compounds

   • B. Kamienski
   • W. Schilf
   • G. A. Webb

   OriginalPaper Pages: 1003 - 1008

10. Crystal and molecular structure of phenylbenzyl-1-(2,2,3-trimethylcyclopropyl)phosphine oxide

    • Mazhar-Ul-Haque
    • Jamil Ahmed
    • Paul W. Kremer

    OriginalPaper Pages: 1009 - 1016

11. Crystal and molecular structure of the rutheniumcarbene-tetraborohydrate complex [Ru(BH₄)(L^Ar)(PPh₃)₂]; (L^Ar=CN(C₆H₄Me-4)CH₂CH₂NC₆H₃Me-4)

    • S. A. Thomas

    OriginalPaper Pages: 1017 - 1031

12. Crystal and molecular structure of [dicarbonyl (η-cyclopentadienyl)ferrio]triphenylarsine tetrafluoroborate, [(C₆H₅)₃As{Fe(CO)₂(C₅H₆)}][BF₄]

    • H. Schumann
    • J. M. M. Smits
    • Paul T. Beurskens

    Note Pages: 1033 - 1039

13. Announcement

    Announcement Pages: I - I