1. The 250th anniversary of the Academy of Sciences of the USSR

   Announcement Pages: 315 - 318

2. Influence of random errors on the determination of the molecular parameters in gas electron diffraction

   • V. S. Mastryukov
   • O. V. Dorofeeva

   OriginalPaper Pages: 319 - 324

3. Calculation of multiple many-center electron scattering by molecules in the Glauber approximation

   • V. S. Potapov
   • A. V. Neimark
   • M. G. Anashkin

   OriginalPaper Pages: 325 - 331

4. A magnetochemical study of the state of water in crystal hydrates

   • Yu. V. Ergin
   • L. I. Kostrova

   OriginalPaper Pages: 332 - 335

5. Connection between the temperature dependence of the solubility of neon in aqueous solutions and the structural state of the solvent

   • A. F. Borina
   • O. Ya. Samoilov

   OriginalPaper Pages: 336 - 342

6. An infrared-spectroscopic study of the structure of solutions of water and nonelectrolytes which are strong proton acceptors

   • B. Z. Gorbunov
   • Yu. I. Naberukhin
   • V. E. Slivkin

   OriginalPaper Pages: 343 - 348

7. New shift-reagents for NMR investigations of molecular structure in polar solvents

   • A. V. Dushkin
   • V. F. Zolin
   • R. Z. Sagdeev

   OriginalPaper Pages: 349 - 352

8. Effect of substituents at the proton-donor nitrogen atom on an intramolecular hydrogen bond of type NH...O

   • L. N. Kurkovaskaya
   • I. L. Radushnova
   • Yu. V. Maksimov

   OriginalPaper Pages: 353 - 356

9. X-ray-spectral investigation of sulfate ion

   • G. N. Dolenko
   • A. P. Sadovskii
   • V. A. Kochubei

   OriginalPaper Pages: 357 - 361

10. Interpretation of x-ray electron and x-ray emission spectra of orthorhombic sulfur

    • M. S. Ioffe
    • V. I. Nefedov

    OriginalPaper Pages: 362 - 368

11. X-ray spectroscopic investigation of chemical bonding in some organosilicon compounds

    • A. T. Shuvaev
    • A. P. Zemlyanov
    • M. M. Morgunova

    OriginalPaper Pages: 369 - 373

12. ⁷⁹Br and⁸¹Br NQR spectra of complexes of aluminum bromide with sulfones

    • E. N. Gur'yanova
    • V. V. Puchkova
    • A. F. Volkov

    OriginalPaper Pages: 374 - 377

13. Stretching vibrations of metal-ligand bonds in some platinum(II) and platinum(IV) complexes

    • I. M. Cheremisina
    • E. V. Sobolev
    • G. D. Mal'chikov

    OriginalPaper Pages: 378 - 383

14. Complex formation of small rings with chlorine at low temperatures

    • V. T. Aleksanyan
    • B. Z. Gevorkyan

    OriginalPaper Pages: 384 - 387

15. Interpretation of a Paterson function for structures having a clear pseudoperiod

    • V. N. Biyushkin
    • N. V. Belov

    OriginalPaper Pages: 388 - 392

16. Crystal structure of praseodymium thiogermanate Pr₆Ge_2.5S₁₄

    • V. V. Bakakin
    • E. N. Ipatova
    • L. P. Solov'eva

    OriginalPaper Pages: 393 - 396

17. Structure of Ce(SO₄)₂

    • D. L. Rogachev
    • M. A. Porai-Koshits
    • L. M. Dikareva

    OriginalPaper Pages: 397 - 401

18. Dimeric structure of the complex in the crystals of quinolinium tetrachloronitrosoplatoate

    • T. S. Khodashova
    • V. S. Sergienko
    • L. A. Butman

    OriginalPaper Pages: 402 - 407

19. Structure of diaquadiethylenediaminenickel perchlorate [Nien₂(H₂O)₂](ClO₄)₂ crystals

    • L. Kh. Minacheva
    • A. S. Antsyshkina
    • M. A. Porai-Koshits

    OriginalPaper Pages: 408 - 414

20. X-ray investigation of diphthalocyanine complexes of thorium and uranium

    • I. S. Kirin
    • A. B. Kolyadin
    • A. A. Lychev

    OriginalPaper Pages: 415 - 418

21. X-ray diffraction investigation of nonvalent interactions and coordination in organometallic compounds

    • L. G. Kuz'mina
    • N. G. Bokii
    • E. M. Rokhlina

    OriginalPaper Pages: 419 - 423

22. X-ray diffraction investigation of nonvalent interactions and coordination in organometallic compounds

    • N. G. Bokii
    • Yu. T. Struchkov
    • E. M. Rokhlina

    OriginalPaper Pages: 424 - 429

23. Crystal and molecular structure of 2,4-dinitro-4′-diethylaminodiphenylamine

    • A. E. Shvets
    • Ya. Ya. Bleidelis
    • Ya. F. Freimanis

    OriginalPaper Pages: 430 - 433

24. Crystal and molecular structure of (C₁₃H₂₁N₂S₂)⁺[(C₁₂H₄N₄)(C₁₆H₅N₅O₆)]\(\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle\cdot}$}}{ - } \)

    • V. F. Kaminskii
    • R. P. Shibaeva
    • L. O. Atovmyan

    OriginalPaper Pages: 434 - 440

25. Crystal structure of p-nitrodiazoaminobenzene

    • Yu. D. Kondrashev

    OriginalPaper Pages: 441 - 446

26. Three-electron group functions

    • I. Ts. Lyast
    • Yu. M. Yusim

    OriginalPaper Pages: 447 - 451

27. Application of the adiabatic principle to solving the Roothaan secular problem

    • L. A. Gribov
    • A. V. Niukkanen

    OriginalPaper Pages: 452 - 456

28. Calculation of the parameters of zero-field splitting for triplet states of conjugated systems

    • A. V. Luzanov
    • V. N. Poltavets

    OriginalPaper Pages: 457 - 460

29. Calculations of electronic structure for compounds of inert gases and halogens by MO LCAO SCF method

    • O. P. Charkin
    • A. E. Smolyar
    • N. M. Klimenko

    OriginalPaper Pages: 461 - 467

30. Investigation of the interaction of saturated hydrocarbons with tetrahedral divalt cobalt ions at the surface of aerosil by the NMR method

    • V. Yu. Borovkov
    • G. M. Zhidomirov
    • V. B. Kazanskii

    OriginalPaper Pages: 468 - 473

31. Quantum-chemical study of hyperfine interactions with hydroxylic protons in π-electron radicals

    • P. V. Schastnev
    • V. M. Likhosherstov
    • R. N. Musin

    OriginalPaper Pages: 474 - 479

32. Determination of the relative signs of the spin—Spin interaction constants in first-order NMR spectra

    • V. S. Tumanov

    OriginalPaper Pages: 480 - 484

33. Effect of π-electronic charges on the magnetic properties of molecules

    • Yu. B. Vysotskii

    OriginalPaper Pages: 485 - 490

34. Application of ridge methods in a search for isomerization paths in α-D-glucose

    • M. M. Voronovitskii
    • A. A. Lugovskoi
    • V. G. Dashevskii

    OriginalPaper Pages: 491 - 498