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Просмотр по автору "Anonimova I."

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  • Anisotropy of polarizability of sulfite group 
    Arbuzov B.; Vereshchagin A.; Anonimova I.; Yuldasheva L.; Sergeeva G. (1973)
    1. We determined the components of the axes of the polarizability ellipsoid of the sulfite group O2S=O and their orientation with respect to the bonds. 2. The ethylene sulfite molecule has the conformation of an envelope; ...
  • Conformation of 5-chlorotrimethylene selenite 
    Anonimova I.; Yuldasheva L.; Remizov A.; Vereshchagin A.; Arbuzov B. (1977)
    5-Chlorotrimethylene selenite, with mp 157-159°, is the trans-isomer, in which in the liquid form and in solution is realized a dynamic equilibrium of two forms, diaxial and diequatorial, with a predominance of the less ...
  • Conformation of trimethylene carbonate and electrical parameters of the carbonate group 
    Arbuzov B.; Anonimova I.; Tuzova L.; Naumov V.; Yarkova E.; Safiullina N.; Timosheva A.; Vereshchagin A. (1984)
    1. The dipole moment (2.94 D) and the main semiaxes of the polarizability ellipsoid (3.863, 4.173, 1.115 å) of the carbonate group have been determined. 2. Based on combined structural studies the C-envelope is the most ...
  • Conformational study of dibenzo[d,g][1,3]dioxocin-12-one by vibrational spectroscopy and molecular mechanics 
    Khadiullin R.; Arshinova R.; Anonimova I.; Plyamovatyi A.; Shagidullin R. (1991)
    Two of the four possible dibenzo [d,g][1,3]dioxocin-12-one conformers are identified in solution from IR and Raman spectra. The experimental enthalpy difference between boat-chair (BC) and twist T) conformers of 0.7 kcal ...
  • Conformations of cyclic bromoarsenites and the electrical parameters of arsenic bonds 
    Anonimova I.; Chadaeva N.; Yuldasheva L.; Vul'fson S.; Vereshchagin A.; Arbuzov B. (1976)
    1. It has been shown that 2-bromo-l,3,2-dioxaarsenanes exist in chair conformation with axially oriented As-Br bonds. 2. Polarity and polarizability parameters have been found for the As-O and As-Br bonds in 2-bromo-l,3, ...
  • Dipole moment and anisotropy of polarizability of selenite group 
    Arbuzov B.; Anonimova I.; Vereshchagin A.; Yuldasheva L. (1973)
    1. The value and direction of the dipole moment of the selenite group O2Se=O were determined. 2. The axes of the polarizability ellipsoid of the selenite group and their orientation with respect to the bonds were determined. ...
  • Dipole moments and conformations of certain arsenic-containing heterocycles 
    Anonimova I.; Yuldasheva L.; Chadaeva N.; Vereshchagin A.; Arbuzov B. (1975)
    An axial orientation of aryl and aryloxy substituents at the arsenic atom in 1,3,2-dioxaarsenanes was established by the method of dipole moments. © 1976 Plenum Publishing Corporation.
  • Dipole moments and molar kerr constants of certain 2-chloro-1,3,2-dioxaarsolanes 
    Arbuzov B.; Yuldasheva L.; Anonimova I.; Chadaeva N.; Vereshchagin A. (1974)
    1. An axial orientation of the As-Cl bond in 2-chloro-1,3,2-dioxaarsolanes was established by the method of dipole moments. 2. On the basis of the Kerr constants we determined the geometrical configuration of the substituents ...
  • Dipole moments and molecular spectra of certain derivatives of dibenzalacetone 
    Arbuzov B.; Yuldasheva L.; Anonimova I.; Shagidullin R.; Chernova A.; Fazliev D. (1969)
    From the spectral data it may be assumed that di-p-chlorodibenzalacetone exists in solution as a mixture of s-cis,s-cis- and s-cis, s-trans-conformations, possessing a trans-configuration of both ethylenic bonds, which ...
  • Dipole moments of cyclic esters of selenous acid 
    Arbuzov B.; Yuldasheva L.; Anonimova I. (1969)
    1. Previously undescribed 1,2-dimethyl- and tetramethylethyleneselenites, tetramethylethylenesulfite, 2,2-dimethyl-, 2-chloro-, 2-nitro-, and 1,1,3,3-tetramethylpropanediolselenites were produced. 2. The dipole moments of ...
  • Isomerism of certain derivatives of benzalacetophenone 
    Arbuzov B.; Yuldasheva L.; Anonimova I.; Shagidullin R.; Chernova A.; Fazliev D. (1969)
    1. p-Nitro-, m-nitro-, and p-chlorobenzalacetophenone (mp 113-114°C) have a trans-configuration of the ethylenic bonds and represent the s-cis-conformer both in solid form and in solution, with a possible admixture of the ...
  • Molecular structure and conformations of eight-membered cyclic acetals with 1,4-diplanar fragments 
    Kataeva O.; Litvinov I.; Naumov V.; Anonimova I. (1995)
    The molecular structures of nine eight-membered cyclic acetals containing two planar fragments in the ring, the derivatives of dibenzo- and dinaphtho[d,g][1,3]dioxocines, have been studied by x-ray single crystal diffraction. ...
  • Stereochemistry of 2-substituted 5,6-benzo-1,3,2-dioxarsepines 
    Arbuzov B.; Aganov A.; Klochkov V.; Anonimova I.; Chadaeva N.; Lyubimtseva O. (1984)
    1. 2-Chloro- and 2-bromo-5,6-benzo-1,3,2-dioxarsepines have the chair conformation with axial arrangement of the exocyclic bond at the arsenic atom. 2. In the case of 2-phenyl-, 2-(p-bromophenyl)-, and 2-(p-nitrophenyl)- ...
  • Stereochemistry of eight-membered heterocycles 1. Conformations of 6-oxo-, and 6,6-dioxodibenzo-[d,g][1.3.2]dioxathiocin-12-ones 
    Anonimova I.; Yarkova E.; Aganov A.; Chernov P.; Vereshchagin A.; Arbuzov B. (1983)
    6,6-Dioxodibenzol[d,g][1.3.2] dioxathiocin-12-one in solution has the chair conformation; for 6-oxodibenzo [d,g][1.3.2]dioxathiocin-12-one, the axial chair conformation is in equilibrium with one of the flexible forms. © ...

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