1. Calculation of the energy of the chemical bond in crystals

   • V. M. Tapilin

   OriginalPaper Pages: 817 - 822

2. Exchange reaction of nitroxide radicals in the paired orbital approximation

   • A. N. Petrenko
   • V. I. Avdeev
   • P. V. Schastnev

   OriginalPaper Pages: 822 - 827

3. Influence of the charge state and quenching of the wavefunction on the values of intermolecular resonance integrals

   • A. N. Petrenko
   • P. V. Schastnev

   OriginalPaper Pages: 828 - 832

4. Effects of asymptotic behavior in calculations of exchange interactions with the transfer of triplet excitations. The model system ethylene-ethylene

   • A. N. Petrenko
   • V. I. Avdeev
   • P. V. Schastnev

   OriginalPaper Pages: 833 - 836

5. An x-ray spectral and quantum-chemical study of the electronic structure of ruthenium complexes

   • A. A. Voityuk
   • L. N. Mazalov
   • É. A. Kravtsova

   OriginalPaper Pages: 837 - 842

6. π-Electron ring currents and magnetic characteristics of porphyrin molecules and their doubly changed ions

   • V. A. Kuz'mitskii
   • Yu. B. Vysotskii
   • K. Dzilin'ski

   OriginalPaper Pages: 843 - 847

7. Hexacoordinated structures of elements of the second period

   • R. M. Minyaev
   • G. V. Orlova

   OriginalPaper Pages: 847 - 852

8. ESR and ESE study of conformational transitions of the cyclic radical (CH₂)₄>ĊCO ₂ ⁻ in the solid phase

   • S. A. Dzyuba
   • O. A. Shushakov
   • Yu. D. Tsvetkov

   OriginalPaper Pages: 853 - 858

9. Hyperfine interaction with N(3) nuclei in imidazoline nitroxide radicals

   • S. A. Dikanov
   • I. A. Grigor'ev
   • Yu. D. Tsvetkov

   OriginalPaper Pages: 859 - 865

10. Changes in the spin-labeled ligand environment of the Co(III) ion under the effect of pH

    • V. N. Parmon
    • L. B. Volodarskii

    OriginalPaper Pages: 866 - 868

11. Dielectric and viscous properties of water-tetramethyl sulfone mixtures

    • V. V. Goncharov
    • E. S. Verstakov
    • Yu. M. Kessler

    OriginalPaper Pages: 869 - 872

12. Theory of the electron diffraction study of triatomic molecules, characterized by large amplitudes of the vibrations

    • V. I. Bazhanov

    OriginalPaper Pages: 873 - 881

13. Theory of the electron diffraction study of triatomic molecules, characterized by large amplitudes of the vibrations II. The reduced molecular component of the intensity of scattering

    • V. I. Bazhanov

    OriginalPaper Pages: 882 - 887

14. Structure of organophosphorus compounds. part XXIII. an x-ray crystallographic study of the molecular complex of triphenylphosphine oxide with tetrachloropyrocatechol, Ph₃PO·C₆Cl₄(OH)₂, and its hydrate, Ph₃PO·C₆Cl₄(OH)₂·H₂O

    • M. Yu. Antipin
    • A. I. Akhmedov
    • M. I. Kabachnik

    OriginalPaper Pages: 888 - 893

15. Crystal structure of organosilicon compounds. XXXIII. Trans-1-ferrocenyl-2-(methylphenylcy-manthrenyl)silylethene

    • G. V. Gridunova
    • V. E. Shklover
    • L. P. Asatiani

    OriginalPaper Pages: 894 - 898

16. Synthesis and structure of the products formed by combination of sodium 2- and 4-pyridyldiazotates with several cyclic β-dicarbonyls

    • S. A. D'yachenko
    • K. F. Belyaeva
    • B. L. Moldaver

    OriginalPaper Pages: 899 - 904

17. Combined analytical expressions for Coulomb and hybrid integrals with slater type orbitals

    • I. I. Guseinov
    • É. Kh. Ismailov
    • É. M. Imamov

    Brief Communications Pages: 905 - 906

18. Optimization of the geometry of mono- and biradicals in the “half-electron” method

    • A. M. Nesterenko

    Brief Communications Pages: 907 - 910

19. Test matrices of the overlap integrals of AO of the slater type

    • V. I. Khleskov

    Brief Communications Pages: 910 - 911

20. A program for calculating cyclic models of a solid and surface structures in the MINDO/3 approximation

    • I. P. Zakharov
    • A. O. Litinskii

    Brief Communications Pages: 912 - 913

21. A program for determining by the gradient method the nonlinear parameters, optimum with respect to energy, of a Gaussian basis

    • V. I. Karliichuk
    • V. N. Glushkov
    • A. Ya. Tsaune

    Brief Communications Pages: 914 - 915

22. An x-ray electron spectroscopic study of π-allyl complexes of palladium

    • G. B. Petrov
    • L. M. Markovich
    • A. P. Belov

    Brief Communications Pages: 915 - 917

23. Use of double NMR-NQR resonance in the study of sulfanilamides

    • V. S. Grechishkin
    • R. V. Grechishkina
    • O. V. Starovoitov

    Brief Communications Pages: 917 - 919

24. Electron spin resonance of Zr³⁺ complex dopants in YPO₄

    • M. V. Samatov
    • S. L. Votyakov
    • A. A. Krasnobaev

    Brief Communications Pages: 919 - 920

25. Possible structure of the radical centers produced in the reaction of piperidine and cyclohexylamine with copper(II) bis(salicylaldehydate)

    • E. P. Talzi
    • V. P. Talzi

    Brief Communications Pages: 921 - 923

26. Influence of paramagnetic shift reagents on the spin-lattice relaxation times of¹³C nuclei and the¹³C−¹H spin-spin coupling constants

    • V. N. Torocheshnikov
    • N. M. Sergeev

    Brief Communications Pages: 924 - 926

27. Riemann curvature and stochastic motion of nuclei in chemical dynamics

    • I. V. Krivoshei

    Brief Communications Pages: 926 - 928

28. ¹³⁹La and²⁷Al NMR quadrupole effects in single crystals of the solid solution LaFe_XAl_1−XO₃

    • B. Ya. Brach
    • S. P. Gabuda
    • R. M. Rakhmankulov

    Brief Communications Pages: 929 - 930

29. Hindered rotation around the C-N bond in adamantylcarboxylic acid amides

    • P. A. Morozov
    • N. K. Morozova
    • A. V. Il'yasov

    Brief Communications Pages: 931 - 932

30. Crystal structure of the second polymorphic modification of cis-pyridine-glycine-platinum(II) dichloride, cis-[Pt(NH₂CH₂COOH)(C₅H₅N)Cl₂]

    • I. A. Baidina
    • N. V. Podberezskaya
    • S. V. Borisov

    Brief Communications Pages: 932 - 934

31. A program for calculating the charges on atoms by equalizing the orbital electronegativities

    • V. E. Kuz'min
    • E. L. Berestetskaya

    Brief Communications Pages: 935 - 936