1. Electron-diffraction study of the structure of trimethylene sulfite molecules

   • V. A. Naumov
   • N. M. Zaripov
   • L. F. Shatrukov

   OriginalPaper Pages: 543 - 546

2. Investigation of the structure of the dicyclopentadienylzirconium dichloride molecule using electron diffraction by gases

   • I. A. Ronova
   • N. V. Alekseev
   • Yu. T. Struchkov

   OriginalPaper Pages: 547 - 551

3. Configurational entropy of water

   • Yu. V. Gurikov

   OriginalPaper Pages: 552 - 556

4. Deformation of the structure of water by a dissolved substance at negative temperatures

   • B. V. Zheleznyi

   BriefCommunication Pages: 557 - 559

5. Mechanisms of dielectric relaxation in water-acetone solutions

   • M. I. Shakhparonov
   • N. V. Chekalin

   OriginalPaper Pages: 560 - 563

6. EPR spectra and electronic structure of semiquinones of the triptycene series

   • A. I. Brodskii
   • L. L. Gordienko
   • L. V. Antik

   OriginalPaper Pages: 564 - 569

7. Electron paramagnetic resonance study of valence states of manganese in Mn₂O₃ and Mn₃O₄

   • S. M. Ariya
   • N. M. Énden

   OriginalPaper Pages: 570 - 573

8. Nuclear magnetic resonance in aqueous solutions of flucrine complexes

   • Yu. A. Buslaev
   • S. P. Petrosyants
   • V. P. Tarasov

   OriginalPaper Pages: 574 - 579

9. F¹⁹ nuclear-magnetic-resonance spectra of some five-coordinated phosphorus hydrides

   • V. V. Sheluchenko
   • G. I. Drozd
   • S. Z. Ivin

   OriginalPaper Pages: 580 - 583

10. Nuclear-magnetic-resonance spectroscopy of barenes and their derivatives

    • V. I. Stanko
    • V. V. Khrapov
    • J. N. Shoolery

    OriginalPaper Pages: 584 - 588

11. Study of PMR and¹H−³¹P double resonance spectra of several phosphodiazoles

    • V. V. Negrebetskii
    • N. P. Ignatova
    • N. I. Shvetsov-Shilovskii

    OriginalPaper Pages: 589 - 594

12. Conformation of isomeric promedol alcohols (1,2,5-trimethyl-4-phenylpiperidols-4)

    • T. F. Vlasova
    • Yu. N. Sheinker

    OriginalPaper Pages: 595 - 599

13. Proton magnetic resonance in heulandite

    • S. P. Gabuda
    • L. V. Ivleva
    • A. G. Lundin

    OriginalPaper Pages: 600 - 603

14. Characteristic features of the addition of various isomers of pyridinecarboxylic and aminobenzoic acids to zinc and manganese chlorides

    • M. A. Azizov
    • Ya. V. Rashkes
    • A. D. Khamraev

    OriginalPaper Pages: 604 - 608

15. More detailed determination of the symmetry of the crystal cell of thiophene and its deuterated derivatives from infrared dichroism

    • Ya. M. Kimel'fel'd
    • M. A. Moskaleva
    • V. T. Aleksanyan

    OriginalPaper Pages: 609 - 612

16. Vibrational spectra and steric hindrance in molecules of perchloroalkyltrichlorophosphazenes

    • D. P. Khomenko
    • G. G. Dyadyusha
    • É. S. Kozlov

    OriginalPaper Pages: 613 - 616

17. Dipole moments of diesters of dicarboxylic acids

    • E. N. Gur'yanova
    • G. N. Ignatova
    • N. I. Grishko

    OriginalPaper Pages: 617 - 621

18. p-π coupling in methyl- and bromo-substituted anisoles and their structure

    • I. P. Romm
    • V. V. Kopylov
    • E. N. Gur'yanova

    OriginalPaper Pages: 622 - 625

19. Ultrasoft x-ray absorption spectra of (CH₃)_xSiCl_4-x molecules

    • V. A. Fomichev
    • T. M. Zimkina
    • A. M. Evdokimov

    OriginalPaper Pages: 626 - 629

20. X-ray spectral study of Co(II) and Cu(II) inner complexes with salicylalarylimines

    • A. P. Sadovskii
    • V. A. Kogan
    • I. N. Lobanov

    OriginalPaper Pages: 630 - 633

21. Spectroscopic and x-ray diffraction study of some lithium and sodium metalanthanidates

    • B. E. Zaitsev
    • B. N. Ivanov-Émin
    • V. Miliado Campos

    BriefCommunication Pages: 634 - 636

22. Some structural characteristics and a geometrical analysis of the ordering mechanism in copper tellurides

    • R. V. Baranova
    • Z. G. Pinsker

    OriginalPaper Pages: 637 - 645

23. Crystal structures of transition metal polycyclopentadienyl compounds

    • V. I. Kulishov
    • N. G. Bokii
    • Yu. T. Struchkov

    OriginalPaper Pages: 646 - 652

24. Crystal and molecular structure of π-complexes of quinones

    • G. G. Aleksandrov
    • Yu. T. Struchkov

    OriginalPaper Pages: 653 - 659

25. X-ray structure determination of 2-p-methylbenzilidenindandione-1,3

    • L. P. Zalukaev
    • N. A. Ignat'ev
    • E. I. Zavalishin

    OriginalPaper Pages: 660 - 665

26. Theoretical study of bonding energy in the H⁺²He system

    • Z. Ya. Tsirul
    • N. P. Poshyunaite
    • A. B. Bolotin

    OriginalPaper Pages: 666 - 669

27. Symmetry properties of one-electron orbitals in the method of different orbitals for different spins

    • N. A. Popov

    OriginalPaper Pages: 670 - 676

28. Molecular orbitals and the W−W bond in the nonachlorotungstate (III) anion W₂Cl ₃ ^3-

    • D. V. Korol'kov
    • V. N. Pak

    OriginalPaper Pages: 677 - 681

29. Chemical bond and structure of energy bands in tetrahedral, partly covalent crystals

    • A. A. Levin
    • A. A. Dyatkina

    OriginalPaper Pages: 682 - 686

30. Calculation of conformations of certain simple cycloalkenes

    • V. G. Dashevskii
    • V. A. Naumov
    • N. M. Zaripov

    OriginalPaper Pages: 687 - 692

31. Variation principle for systems with multiparticle interaction

    • B. G. Abrosimov
    • É. A. Arinshtein

    OriginalPaper Pages: 693 - 697

32. Calculation of the self-diffusion coefficient of water

    • Yu. P. Syrnikov

    Brief Communications Pages: 698 - 700

33. Calculation of the viscosity of water

    • V. I. Yashkichev
    • T. Z. Pinsker

    Brief Communications Pages: 701 - 702

34. Magnetochemical investigation of solvation of ions of alkali-metal halides in monohydric alcohols

    • Yu. V. Ergin
    • L. I. Kostrova

    Brief Communications Pages: 703 - 704

35. Autodiffusion of methanol molecules in LiCl and LiBr solutions

    • M. I. Emel'yanov
    • N. K. Gaisin

    Brief Communications Pages: 705 - 707

36. Dispersion of the dielectric permeability of ethylene glycol

    • V. V. Levin
    • T. L. Podlovchenko

    Brief Communications Pages: 708 - 709

37. Epr of anion radicals of para-substituted nitrobenzenes in dimethylsulfoxide

    • V. F. Starichenko
    • N. M. Katkova
    • S. M. Shein

    Brief Communications Pages: 710 - 712

38. Solvent effects on the inversion barrier of acetone diperoxide

    • A. V. Aganov
    • Yu. Yu. Samitov
    • A. I. Shreibert

    Brief Communications Pages: 713 - 714

39. Structure of stannic acids

    • P. B. Fabrichnyi
    • A. M. Babeshkin
    • Academician N. Nesmeyanov

    Brief Communications Pages: 715 - 716

40. Nuclear resonance and molecular mobility in crystalline chlorine complexes

    • A. D. Gordeev
    • V. S. Grechishkin
    • Yu. I. Rozenberg

    Brief Communications Pages: 717 - 719

41. Polymorphism of acetic acid

    • K. É. Zul'fugarzade
    • L. A. Guliev
    • L. M. Imanov

    Brief Communications Pages: 720 - 721

42. Separation of a fundamental system from a vector system by reference to a peak of multiplicity three (general case, fedorov group P1)

    • É. A. Kuz'min
    • V. V. Ilyukhin
    • N. V. Belov

    Brief Communications Pages: 722 - 725

43. Structure of CdSiAs₂

    • B. B. Sharma
    • A. A. Vaipolin
    • Yu. A. Valov

    Brief Communications Pages: 726 - 727

44. Crystal structure of Cs₂VOCl₄ · H₂O

    • L. O. Atovmyan
    • Z. G. Aliev

    Brief Communications Pages: 728 - 728

45. Synthesis and crystal structures of some oxo compounds of rhenium

    • T. S. Khodashova
    • M. A. Porai-Koshits
    • V. M. Stepanovich

    Brief Communications Pages: 729 - 730