1. The eightieth anniversary of the x-ray crystal-structure analysis

   • S. V. Borisov

   Announcement Pages: 771 - 772

2. Centennial of the Röntgen's paper on the structure of water

   • Yu. I. Naberukhin

   OriginalPaper Pages: 772 - 774

3. Equations for determination of vector coupling coefficients in systems with two open shells. Ions of transition metals with p^Md^N configuration

   • B. N. Plakhutin
   • A. V. Arbuznikov

   OriginalPaper Pages: 775 - 785

4. Different formulations of restricted hartree-fock method for transition-metal atoms

   • B. N. Plakhutin
   • A. B. Trofimov

   OriginalPaper Pages: 786 - 794

5. Quantum-chemical calculations of elastic properties of crystalline fluorides of alkaline-earth metals

   • L. M. Iomin
   • V. M. Buznik

   OriginalPaper Pages: 794 - 798

6. Cluster calculations on the electronic structures of the high-temperature superconductors Y₁Ba₂Cu₄O_X (x=7.5, 8.0, 8.5) and Y₁Ba₂Cu₅O₉

   • A. I. Ermakov
   • A. V. Vishnyakov

   OriginalPaper Pages: 799 - 805

7. Fragmental analysis of energies of electronic transition in monosubstituted benzene derivatives. I. A single configuration approximation

   • K. V. Konstantinavichyus
   • V. M. Lazauskas

   OriginalPaper Pages: 805 - 815

8. The problem of a unified interpretation of a continuous absorption background in the ir spectra of acids containing H₃O⁺ and H₅O ₂ ⁺ cations and hydrated metal complexes

   • E. S. Stoyanov

   OriginalPaper Pages: 816 - 820

9. Investigation of the structure and energetics of β-diketonates. I. Vibrational frequencies and amplitudes of molecules of bis-dipivaloymethanatocopper(II)

   • N. I. Giricheva
   • N. V. Belova
   • G. V. Girichev

   OriginalPaper Pages: 821 - 830

10. Investigation of the structure and energetics of β-diketonates. II. Structure of the bis-dipivaloylmethanatocopper(II) molecule by gas phase electron diffraction

    • N. I. Giricheva
    • N. V. Belova
    • I. K. Igumenov

    OriginalPaper Pages: 831 - 837

11. Electron-diffraction investigation of the molecular structure of CoF₃

    • G. V. Girichev
    • N. I. Giricheva
    • S. V. Khaustov

    OriginalPaper Pages: 838 - 843

12. Influence of electronic and steric effects and hydrogen bonding on¹H and¹³C spectral parameters in azo compounds

    • L. A. Fedorov
    • P. Savarino
    • E. Barni

    OriginalPaper Pages: 844 - 852

13. Structure and conformational mobility of substituted imidazodiazepinediones

    • Yu. E. Shapiro
    • É. I. Ivanov
    • G. D. Kalayanov

    OriginalPaper Pages: 853 - 858

14. Organophosphorus radicals in natural apatites Ca₂(PO₄)₃(F, OH)

    • L. G. Gilinskaya
    • Yu. N. Zanin
    • V. P. Fadeeva

    OriginalPaper Pages: 859 - 870

15. Crystalline state

    • S. V. Borisov

    OriginalPaper Pages: 871 - 877

16. Calculation of the geometry and energy of gas hydrate frameworks with cubic I and II structures

    • V. I. Kosyakov
    • V. A. Shestakov

    OriginalPaper Pages: 877 - 884

17. Composition and structure of the novel complex Rh(CO)·(Ph₂PNH₂)₃

    • R. F. Klevtsova
    • L. S. Gracheva
    • A. E. Usacheva

    OriginalPaper Pages: 885 - 889

18. Comparison of crystal structures in the series [M(NH₃)₅NO₂]XY and [M(NH₃)₅ONO]XY. Crystal structure of [Co(NH₃)₅NO₂]I₂

    • A. V. Virovets
    • N. V. Podberezskaya
    • S. A. Gromilov

    OriginalPaper Pages: 890 - 898

19. Quantum chemical study of molecular ion complexes with hydrogen bonds (Review)

    • A. A. Voityuk
    • A. A. Bliznyuk

    ReviewPaper Pages: 899 - 924

20. Non-empirical quantum-mechanical calculation of the electronic structure and equilibrium geometry of phosphate and arsenate ions

    • B. F. Shchegolev
    • A. N. Lazarev

    Brief Communications Pages: 925 - 927

21. Effect of molybdenum impurities on the electronic properties of high-melting phases

    • A. L. Ivanovskii

    Brief Communications Pages: 928 - 929

22. Infrared spectroscopy of water in beryl

    • R. I. Mashkovtsev
    • A. S. Lebedev

    Brief Communications Pages: 930 - 933

23. Partial dipole correlations in solutions

    • I. M. Svishchev

    Brief Communications Pages: 933 - 935

24. Crystal structure of the rhombic modification of K₃ZrF₅SO₄·H₂O

    • V. Ya. Kuznetsov
    • A. I. Gusev
    • D. L. Rogachev

    Brief Communications Pages: 935 - 937

25. Crystal structure of KsHf₃F₁₇·H₂O

    • A. I. Gusev
    • E. B. Chuklanova
    • D. L. Rogachev

    Brief Communications Pages: 937 - 938

26. Crystal and molecular structure of the coordination compound of O-phenanthroline thiosemicarbazide diacetate of cadmium(II) monohydrate

    • I. F. Burstein
    • N. V. Herbellei
    • T. I. Malinovskii

    Brief Communications Pages: 939 - 942

27. Molecular structure of 1-nitroso-4-phenyl-2,2,5,5-tetramethyl-3-imidazoline-3-oxide, the nearest structural analogue of the corresponding nitroxyl radical

    • Yu. V. Gatilov
    • I. Yu. Bagryanskaya
    • L. B. Volodarskii

    Brief Communications Pages: 942 - 943

28. Molecular structure of a benzoic acid adduct of zinc benzoate dihydrate — [Zn(C₆H₅COO)₂·2H₂O]2C₆H₅COOH

    • B. T. Usubaliev
    • F. I. Guliev
    • É. M. Movsumov

    Brief Communications Pages: 944 - 947