About/history Contacts Administration Education Staff
Synthesis, Crystal and Electronic Structure of Subvalent Metal Compounds
Head of the Group: Prof. B.A.Popovkin
Group Staff
B.A.Popovkin, Prof., Head of the Group
 A.N.Kuznetsov, PhD, researcher
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 T.G.Filatova, technician
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 A.I.Baranov, PhD, assistant professor
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 S.V.Savilov, PhD student
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A.A.Serov, PhD student
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 A.A.Isaeva, student
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Main research interests - design and synthesis of new inorganic compounds with isolated cluster fragments or low-dimensional extended systems of homo- or heteronuclear metal-metal bonds; the search for new compounds featuring drastic anisotropy of physical properties; determination of correlations between crystal and electronic structures of such compounds.
Objects of research - mixed subchalcogenides, subhalides, and subchalco-halides of metals in combinations transition-main group and main group-main group metal.
Principal approaches and methods of investigation
Investigation of solid-state interaction in corresponding systems; cluster synthesis in non-aqueous solutions; crystal growth from gas phase using chemical transport reactions, also from solutions and melts; X-ray crystallography and electronic structure calculations.
X-ray powder and single-crystal analysis, IR-spectroscopy, semi- and nonempirical electronic structure calculations, magnetic susceptibility and electric conductivity measurements, differential thermal analysis.
Research projects
Main-group element compounds with homonuclear bonds. Design of new materials with anisotropic conductivity. INTAS grant No. 99-1672; head A.V.Shevelkov.
Chemistry of subvalent metals. Mixed subchalcogenides of nickel- group 14 and 15 metals with heteronuclear metal-metal bonds. RFBR grant No.00-03-32647Ю; head B.A.Popovkin.
Homonuclear bonds between post-transition metals in the crystals of group 15 metal compounds (Bi,Sb). Fundamental research grant of Ministry of High Education, in cooperation with Moscow University of Engineering Ecology.
Selected Publications
E.V.Dikarev, B.A.Popovkin, A.V.Shevelkov. Z..anorg. allg. Chem. 1992, v.612, 118.
A.V.Shevelkov, E.V.Dikarev, R.V.Shpanchenko, B.A.Popovkin. Crystal structures of bismuth tellurohalides BiTeX (X=Cl,Br,I) from X-ray powder diffraction data. J. Solid State Chem. 1995, v.116, 379-384.
Kuznetsov A.N. Bismuth Cluster Polycations: A Solution Chemical, Structural and Theoretical Study. Licentiate Thesis, Royal Institute of Technology, Stockholm, 1999.
Alexei N.Kuznetzov, Boris.A.Popovkin, William Henderson, Michael J.Taylor and Lars Bengtsson-Kloo Monocations of bismuth and indium in arene media: A spectroscopic and EXAFS investigation J.Chem. Soc., Dalton Trans., 2000, 1777-1781.
Kuznetsov, A.N., Kloo L., Lindsjo M., Rosdahl J., Stoll H. Ab Initio Calculations on Bismuth Cluster Polycations. Chem. Eur. J., in print..