1. From the editorial board

   EditorialNotes Pages: 1 - 1

2. Calculation of the electronic structure of the urea molecule and its protonated cations

   • Yu. A. Panteleev
   • A. A. Lipovskii

   OriginalPaper Pages: 2 - 5

3. Calculation of the electronic structure of the urea molecule and its protonated cations

   • Yu. A. Panteleev
   • A. A. Lipovskii

   OriginalPaper Pages: 6 - 9

4. Electronic structure calculations for molecules adsorbed on the surface of ionic crystals

   • I. D. Mikheikin
   • I. A. Abronin
   • V. B. Kazanskii

   BriefCommunication Pages: 10 - 12

5. Calculation of the optimal orientation of methyl groups in crystals

   • N. N. Afonia
   • P. M. Zorkii

   BriefCommunication Pages: 13 - 15

6. Multiple-scattering method in the theory of photoelectron and absorption spectra polyatomic systems

   • F. Kh. Gel'mukhanov
   • L. N. Mazalov

   OriginalPaper Pages: 16 - 21

7. Semiempirical model for the polarization of s-type atomic orbitals

   • M. V. Bazilevskii
   • L. M. Timofeeva
   • V. A. Tikhomirov

   OriginalPaper Pages: 22 - 30

8. Esr study of certain derivatives of aromatic anion-radicals

   • V. M. Kazakova
   • A. I. Samokhvalova
   • T. S. Smirnova

   OriginalPaper Pages: 31 - 35

9. Structure of alkali-metal halide melts

   • B. D. Antonov

   OriginalPaper Pages: 36 - 39

10. Method of −'similar−' structures−' in the thermodynamics of the methylene cycloalkanes C₃-C₅

    • D. N. Andreevskii
    • Z. A. Radyuk
    • A. D. Peshchenko

    OriginalPaper Pages: 40 - 45

11. Molecular structure of aqueous solutions of hexamethylenetetramine

    • G. G. Malenkov
    • A. I. Toryanik

    OriginalPaper Pages: 46 - 49

12. Spectral study of the positive ions of metal phthalocyanines in oleum

    • A. P. Bobrovskii
    • A. N. Sidorov

    OriginalPaper Pages: 50 - 54

13. Structure of the atomic hydrogen traps in irradiated frozen solutions of sulfuric acid

    • V. F. Yudanov
    • Yu. A. Grishin
    • Yu. D. Tsvetkov

    OriginalPaper Pages: 55 - 59

14. ESR spectra of the anion-radicals of p-nitrophenylphosphonic acid, its mono-, and diethyl esters

    • A. Sh. Mukhtarov
    • A. V. Il'yasov
    • S. S. Krokhina

    OriginalPaper Pages: 60 - 63

15. The relationship between vibrational amplitudes and internuclear distances

    • V. S. Mastryukov
    • E. L. Osina
    • S. Cyvin

    OriginalPaper Pages: 64 - 68

16. The relationship between vibrational amplitudes and internuclear distances

    • V. S. Mastryukov

    OriginalPaper Pages: 69 - 73

17. Determination of molecular characteristics from fast electron-scattering data

    • V. I. Bazhanov

    OriginalPaper Pages: 74 - 78

18. Electron-diffraction study of the structure of the O-methyldichlorothiophosphate molecule

    • V. M. Bezzubov
    • V. A. Naumov

    OriginalPaper Pages: 79 - 82

19. Structure of tris-(2, 6-dimethylphenyl)phosphine

    • A. N. Sobolev
    • L. A. Chetkina
    • E. N. Gur'yanova

    OriginalPaper Pages: 83 - 88

20. Organic quasi-unidimensional metals: The problem of structure selection

    • I. V. Krivoshei

    BriefCommunication Pages: 89 - 91

21. X-ray diffraction investigation and photoelectric properties of certain tricyanovinylarylamines

    • L. A. Chetkina
    • E. G. Popova
    • B. V. Kotov

    OriginalPaper Pages: 92 - 98

22. Structure of the surface ofγ-alumina

    • G. D. Chukin

    OriginalPaper Pages: 99 - 104

23. Structure of Marignac's salt

    • D. L. Rogachev
    • V. Ya. Kuznetsov
    • M. A. Porai-Koshits

    OriginalPaper Pages: 105 - 110

24. Molecular structure of tetrakis(triphenylphosphine)palladium Pd[P(C₆H₅)₃]₄−dO.5C₆H₆

    • V. G. Andrianov
    • I. S. Akhrem
    • Yu. T. Struchkov

    OriginalPaper Pages: 111 - 116

25. Crystal and molecular structure of [Rh(DH)₂(NH₃)₂][Rh(DH)₂Cl₂]−d4H₂O

    • Yu. A. Simonov
    • L. A. Nemchinova
    • O. A. Bologa

    OriginalPaper Pages: 117 - 121

26. Crystal structure of NH₄Er₃F₁₀, the four-layer cationic skeleton of the −'fluorite−' type

    • N. V. Podberezskaya
    • I. A. Baidina
    • N. V. Belov

    OriginalPaper Pages: 122 - 126

27. Structure of organophosphorus compounds part IV. Crystal structures of the benzolate of tris[bis(diphenylphosphinyl)methane]sodium iodide dihydrate 3[Ph₂P(O)CH₂]−dNaI−d2H₂O−dC₆H₆

    • A. E. Kalinin
    • V. G. Andrianov
    • Yu. T. Struchkov

    OriginalPaper Pages: 127 - 132

28. Cation-distribution preference energy in crystals formed by binary oxides of transition metals with the spinel structure

    • M. S. Shubin
    • a. O. Litinskii
    • A. N. Men

    OriginalPaper Pages: 133 - 138

29. Electron spin echo of O anion radicals at 4.2°K

    • V. F. Yudanov
    • A. M. Raitsimring
    • Yu. D. Tsvetkov

    Brief Communications Pages: 139 - 141

30. Electronic structure of Cr₃Oⁿ⁺ and Fe₃Oⁿ⁺ clusters in coordination compounds

    • J. Leszczynski
    • W. Wojciechowski

    Brief Communications Pages: 142 - 144

31. A set of programs (paramol) for semiempirical quantum-chemical calculations of molecules

    • V. B. Volkov
    • D. A. Zhogolev

    Brief Communications Pages: 145 - 146

32. The relationship between vibrational amplitudes and internuclear distances

    • V. S. Mastryukov
    • E. L. Osina

    Brief Communications Pages: 147 - 148

33. Nonempirical calculation of the K-absorption spectra of Ne, Ar, HF, and HCl

    • L. N. Mazalov
    • A. V. Kondratenko
    • T. I. Guzhavina

    Brief Communications Pages: 149 - 151

34. Mössbauer spectra of various complexes of tin tetrahalides with di- and triamides of phosphorus acids

    • Sh. Sh. Bashkirov
    • F. G. Vagizov
    • A. S. Khramov

    Brief Communications Pages: 152 - 154

35. Some properties of saturated aqueous solutions of carbamide, calcium nitrate, and their compounds

    • O. K. Yanat'eva
    • V. T. Orlova
    • T. E. Molchanova

    Brief Communications Pages: 155 - 157

36. Separation of the signals of water and alcohol and the manifestation of the stabilization of water in the NMR spectra of alcohol-water solutions

    • S. I. Shuiskii
    • Yu. I. Naberukhin

    Brief Communications Pages: 158 - 160

37. Influence of the dynamics of the molecular fragments on the³⁵Cl nuclear quadrupole resonance in the crystalline compounds CCl₃CH(OCOCH₂Cl) (OR)

    • I. A. Kyuntsel'
    • V. A. Mokeeva
    • V. V. Shchepin

    Brief Communications Pages: 161 - 163

38. Refinement of the crystal structure of Sm₂(SO₄)₃−d8H₂O

    • N. V. Podberezskaya
    • S. V. Borisov

    Brief Communications Pages: 164 - 165

39. Crystal structure of the binary orthoborate of erbium and strontium, Er₂Sr₃(BO₃)₄

    • G. K. Abdullaev
    • Kh. S. Mamedov

    Brief Communications Pages: 166 - 168

40. Crystal and molecular structures of 9-sila-9,10-dihydroanthracene

    • O. A. D'yachenko
    • L. O. Atovmyan
    • S. V. Soboleva

    Brief Communications Pages: 169 - 171