1. Electronic structure of long molecules with conjugated bonds

   • I. A. Misurkin
   • A. A. Ovchinnikov

   OriginalPaper Pages: 245 - 248

2. Study of the electronic structure and the spectra of methyl-substituted carbanions of nitrogen heterocycles by the selfconsistent field MO LCAO method

   • M. N. Adamov
   • A. A. Kane
   • I. F. Tupitsyn

   OriginalPaper Pages: 249 - 253

3. Algorithm for the calculation of the electronic structure of molecules by the expanded Hückel method

   • G. I. Kagan
   • G. M. Kagan
   • I. N. Fundyler

   OriginalPaper Pages: 254 - 257

4. Kinetics of radical recombination

   • A. A. Belyi
   • A. A. Ovchinnikov

   OriginalPaper Pages: 258 - 261

5. Possibility of studying the topography of an active enzyme center by multicomponent reversible inhibition

   • I. V. Berezin
   • K. Martinek

   OriginalPaper Pages: 262 - 264

6. Anisotropy of the transfer coefficients in organic semiconductors

   • S. I. Kubarev
   • I. D. Mikhailov

   OriginalPaper Pages: 265 - 269

7. Interaction of slow positrons with H⁻ ions in alkali metal hydrides

   • A. V. Ivanova
   • E. P. Prokop'ev

   OriginalPaper Pages: 270 - 274

8. Study of organometallic compounds with an Fe-Sn bond by nuclear gamma resonance

   • V. I. Gol'danskii
   • B. V. Borshagovskii
   • V. V. Skripkin

   OriginalPaper Pages: 275 - 277

9. Mössbauer and DTA studies of the decomposition of iron oxalates

   • G. M. Zhabrova
   • I. P. Suzdalev
   • E. F. Makarov

   OriginalPaper Pages: 278 - 281

10. An NMR study of the allyl rearrangement in boron compounds

    • V. S. Bogdanov
    • V. F. Pozdnev
    • B. M. Mikhailov

    OriginalPaper Pages: 282 - 285

11. Application of NMR- and IR-spectroscopy to a study of the structure of the crystal hydrates of lanthanum molybdate and tungstate

    • A. M. Golub
    • K. S. Aganiyazov
    • Ya. Ya. Shcherbak

    OriginalPaper Pages: 286 - 288

12. Infrared absorption spectra of naphthalene and anthracene anion-radicals

    • I. Ya. Kachkurova

    OriginalPaper Pages: 289 - 293

13. Surface tension as a function of temperature for some molten metals

    • V. B. Lazarev

    OriginalPaper Pages: 294 - 295

14. Calculation of the number of isomers for the basic geometrical models of mononuclear complex compounds

    • I. V. Krivoshei
    • B. Yu. Vvedenskii

    OriginalPaper Pages: 296 - 300

15. The Hückel approximation for the electronic structure of methylindenes

    • Yu. N. Polovoi

    Brief Communications Pages: 301 - 303

16. Calculation of the electronic structures of salicylalimines

    • V. I. Avdeev
    • I. I. Zakharov

    Brief Communications Pages: 303 - 305

17. Absorption spectra of Ni(II) complexes of formazanes of the benzimidazole series

    • E. N. Yurchenko
    • V. I. Avdeev
    • I. I. Kalinichenko

    Brief Communications Pages: 305 - 309

18. Valance state ionization potentials of elements in the second transition period

    • V. I. Baranovskii
    • A. B. Nikol'skii

    Brief Communications Pages: 309 - 315

19. The force field and structure of vinylacetylene

    • E. M. Popov
    • I. P. Yakovlev
    • V. V. Zhogina

    Brief Communications Pages: 315 - 318

20. Calculation of the hyperfine interaction of an unpaired electron with the protons in a stationary methyl group

    • G. M. Zhidomirov
    • P. V. Schastnev

    Brief Communications Pages: 319 - 321

21. Calculation of spin densities in benzyl and cyclohexadienyl radicals with allowance for the relation of bond length to bond order

    • P. V. Schastnev
    • G. M. Zhidomirov

    Brief Communications Pages: 321 - 323

22. Mössbauer studies of the structure of the products from the reactions of ferrocene with (CNS)₂ and of ferricinium boro-fluoride with ammonium thiocyanate

    • R. A. Stukan
    • L. P. Yur'eva

    Brief Communications Pages: 323 - 325

23. Cl³⁵ NQR study of mercury pentachlorophenyl derivatives

    • V. I. Bregadze
    • T. A. Babushkina
    • G. K. Semin

    Brief Communications Pages: 325 - 326

24. An NMR study of exchange in phenylmercury compounds

    • L. A. Fedorov
    • I. P. Beletskaya
    • O. A. Reutov

    Brief Communications Pages: 327 - 328

25. A chromatographic study of the esterification of alcohols of various structures

    • V. G. Berezkin
    • V. S. Kruglikova
    • V. E. Shiryaeva

    Brief Communications Pages: 328 - 330

26. Effects of molecular motion on the anisotropy of the g-factor in solids

    • Yu. S. Karimov
    • V. B. Stryukov
    • I. F. Shchegolev

    Brief Communications Pages: 331 - 332

27. An infrared spectroscopic study of the acidic properties of the surface of zirconium phosphate

    • A. A. Balandin
    • A. I. Kukina
    • N. E. Malenberg

    Brief Communications Pages: 333 - 334

28. Correlation of the internal-friction peak due to nitrogen with the catalytic activity of the metal in ammonia synthesis

    • M. V. Tovbin
    • O. M. Vyaz'mitina

    Letter to the Editor Pages: 335 - 336