V
Valery V. Tkachev
Researcher at Russian Academy of Sciences
Publications - 217
Citations - 1057
Valery V. Tkachev is an academic researcher from Russian Academy of Sciences. The author has contributed to research in topics: Crystal structure & Photochromism. The author has an hindex of 13, co-authored 200 publications receiving 827 citations. Previous affiliations of Valery V. Tkachev include Southern Federal University & National Academy of Sciences of Ukraine.
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N‐(2‐Chlorophenyl)benzenesulfonamide
TL;DR: In the crystal structure of the title compound, C12H10ClNO2S, molcells form chains via hydrogen bonds, which create infinite helices along the c axis as discussed by the authors.
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Sulfonamide Molecular Crystals: Structure, Sublimation Thermodynamic Characteristics, Molecular Packing, Hydrogen Bonds Networks
TL;DR: In this article, the crystal structures of ten sulfonamides have been determined by X-ray diffraction and the obtained results and literature data crystal properties including molecular conformational states, packing architecture, and hydrogen bond networks were comparatively analyzed using graph set notations.
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Sulfonamides as a subject to study molecular interactions in crystals and solutions: Sublimation, solubility, solvation, distribution and crystal structure
German L. Perlovich,Nadezda N. Strakhova,Vladimir P. Kazachenko,Tatyana V. Volkova,Valery V. Tkachev,Klaus-Jürgen Schaper,Oleg A. Raevsky +6 more
TL;DR: Thermochemical parameters of fusion and evaporation processes for the compounds were obtained and temperature dependencies of the solubility in water, n-octanol were measured.
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Sulfonamide Molecular Crystals: Thermodynamic and Structural Aspects
TL;DR: In this article, the crystal structures of three sulfonamides with the structures C6H5-SO2NH-C6H 5, C 6H5 -SO2 NH-C 6H4-R (R = 4-NO2; 4-CN) have been determined by X-ray diffraction.
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Thermodynamic and structural aspects of sulfonamide crystals and solutions
German L. Perlovich,Valery V. Tkachev,Nadezda N. Strakhova,Vladimir P. Kazachenko,Tatyana V. Volkova,Oleg V. Surov,Klaus-Jürgen Schaper,Oleg A. Raevsky +7 more
TL;DR: In contrast to interpretation of only the Gibbs energy of transfer, being extensively used for pharmaceuticals in the form of the partition coefficient, the analysis of thermodynamic functions of the transfer process provides additional mechanistic information and may provide a better understanding of biopharmaceutical properties of drugs.