1. Calculation of recombination probability of radial pairs for model systems in weak and strong magnetic fields

   • F. S. Sarvarov
   • K. M. Salikhov

   OriginalPaper Pages: 365 - 373

2. Tunneling effect in proton-transfer reactions

   • A. I. Shushin
   • M. Ya. Ovchinnikova

   OriginalPaper Pages: 374 - 382

3. Calculation of fragments of binuclear complexes of 3d transition metals with N₂ by the extended Hückel method with charge self-consistency

   • Yu. I. Bratushko
   • Yu. P. Nazarenko
   • K. B. Yatsimirskii

   OriginalPaper Pages: 383 - 387

4. Calculation of the means of coordination of molecular oxygen to the metal atom in MO₂ and M(O₂)₂ complexes by the extended Hückel method

   • Yu. I. Bratushko

   OriginalPaper Pages: 388 - 395

5. Calculation of the electronic absorption spectrum of the C₆H₅PR₂ molecule in the PPP approximation with consideration of the acceptor properties of the PR₂ group

   • Yu. L. Frolov
   • N. N. Imeshkenova
   • M. G. Voronkov

   OriginalPaper Pages: 396 - 401

6. Calculation of the electronic spectra of tautomers and conjugated anions of hydroxyazomethines by the SCF MO method in the CNDO and PPP approximations

   • V. I. Minkin
   • B. Ya. Simkin
   • I. I. Zakharov

   OriginalPaper Pages: 402 - 408

7. A CPN study of the kinetics and mechanism of the reduction of diazonium salts in the presence of sodium acetate

   • T. G. Sterleva
   • L. A. Kiprianova
   • I. P. Gragerov

   OriginalPaper Pages: 409 - 413

8. Investigation of the influence of ligands in coordination compounds of copper on their catalytic activity in the reaction of urethane formation

   • Yu. N. Nizel'skii
   • T. é. Lipatova
   • S. S. Ishchenko

   OriginalPaper Pages: 414 - 424

9. A study of electronic interactions in thioanisoles by infrared and ultraviolet spectroscopy

   • Yu. A. Nuzhdina
   • V. A. Topchii

   OriginalPaper Pages: 425 - 429

10. A spectroscopic investigation of the mutual effect of substituents in N-substituted iminosulfinyl chlorides

    • Yu. A. Nuzhdina
    • T. G. Zabolotnaya
    • E. S. Levchenko

    OriginalPaper Pages: 430 - 434

11. The concentration of molecules in the triplet state after excitation of organic compounds by different forms of impulses

    • V. E. Korobov
    • A. K. Chibisov

    OriginalPaper Pages: 435 - 440

12. EPR spectra of vibrationally excited diatomic radicals

    • I. V. Lebed'
    • S. Ya. Umanskii

    OriginalPaper Pages: 441 - 446

13. Effect of the nonuniformity of electron distribution on the rate of convergence in self-consistent methods

    • V. N. Poltavets
    • M. M. Mestechkin

    Brief Communications Pages: 447 - 449

14. Quantum-chemical calculations for some organic silicon compounds

    • M. T. Vandorfi
    • T. N. Marchenko
    • A. E. Lutskii

    Brief Communications Pages: 450 - 453

15. Energy characteristics and aromaticity of some polycyclic compounds

    • E. D. Lavrinenko-Ometsinskaya
    • V. V. Pen'kovskii
    • V. V. Strelko

    Brief Communications Pages: 454 - 457

16. Quantum-chemical investigation of changes in C≡N and C=O bonds on formation of donor-acceptor complexes

    • N. N. Kharabaev
    • V. A. Kogan
    • I. I. Zakharov

    Brief Communications Pages: 458 - 460

17. Calculation of the electric characteristics of aqua complexes of ions of the 3d transition metals in square and cubic coordinates by the extended Hückel method

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

    Brief Communications Pages: 461 - 463

18. Calculation of adsorption complexes of nitrogen with 3d transition metals and their nitrides by the MO LCAO method

    • V. K. Yatsimirskii
    • I. P. Beletskii

    Brief Communications Pages: 464 - 466

19. A CNDO/2 calculation of the frequencies and intensities of the O-H stretching vibrations in methanol and its dimer

    • V. I. Rybachenko
    • P. K. Khizhenkov
    • E. V. Titov

    Brief Communications Pages: 467 - 468

20. Study on the structure of certain amino acids by PMR

    • N. A. Kostromina
    • Ts. B. Konunova
    • A. S. Venichenko

    Brief Communications Pages: 469 - 472

21. Study of the conformation of the 3,7-dimethylenebicyclo[3.3.1]-nonane derivatives by the PMR method in the presence of europium tris-dipivaloylmethanate

    • A. G. Yurchenko
    • P. A. Krasutskii
    • N. A. Smirnova

    Brief Communications Pages: 473 - 476

22. PMR spectra and structure of 2,6-dimethyl- and 2,6-diphenyl-4-pyrones and their analogs

    • A. I. Tolmachev
    • M. Yu. Kornilov
    • A. V. Turov

    Brief Communications Pages: 477 - 480

23. Effect of hydrogen adsorption on the electrical conductivity of a polycrystalline zinc-chromium catalyst

    • G. M. Kozub
    • A. M. Turchaninov
    • V. L. Chernobrivets

    Brief Communications Pages: 481 - 484

24. An ESR study of complex formation by Cr(III) ions with ANKF-2B amphoteric ion-exchange resin

    • L. S. Molochnikov
    • G. P. Vishnevskaya
    • E. I. Kazantsev

    Brief Communications Pages: 485 - 488

25. Errata

    Erratum Pages: 488 - 488