Chemical structure and reactivity of coordination compounds / Laboratory of Crystal Chemistry and X-ray Structural Analysis
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Description
Main areas of workThe study of crystal chemistry of peroxosolvates of organic compounds.
Study of reactions of solid-phase [2 + 2] photocycloaddition in single crystals.
Analysis of the mechanisms of phase transitions in liquid crystal compounds.
The study of the crystal chemistry of the oxo complexes of Re, Mo and W and uranyl derivatives.
The study of the supramolecular structure of cocrystals of drugs.
The study of crystal chemistry of hypercoordination compounds of elements of the IVa group.
Synthesis and structure of dyes based on complexes of 4d6 and 5d6 metals.
X-ray analysis of coordination polymers Ag +, Zn2 +, and Cd2 + with N-donor ligands.
The most significant results
For the first time, the consistent feasibility of two topochemical reactions of [2 + 2] photo-cycloaddition and the reverse reaction without destruction of a single crystal in styryl dyes under the action of visible light and short-wave UV-radiation, respectively, was proved. Crystallographic conditions for the preservation of single crystals in the course of these processes and the conditions for the formation of crystalline packs that are favorable for the FTP are revealed.
In the course of crystal chemical studies of peroxosolvates of organic compounds, the widespread occurrence of the phenomenon of isomorphic replacement of hydrogen peroxide molecules with water has been established and structural criteria have been identified that make it possible. For the first time, compounds containing dodecameric and pentamer clusters of H2O2 molecules are structurally characterized.
The regularities of the effect of the electron-donor / acceptor properties of 2-arylbenzimidazoles on the optical and electrochemical properties of the Ir (III) complexes are revealed. Synthesized and structurally characterized heterometallic complexes of Ni (II) and REE with various amino acids. It was shown for the first time that in such compounds it is possible to separate REE ions between the complex cation and anion.
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