In an article, published in an article, once mentioned the application of 14187-32-7, Name is Dibenzo-18-crown-6,molecular formula is C20H24O6, is a conventional compound. this article was the specific content is as follows.Computed Properties of C20H24O6
Effect of the Acetonitrile-Water Solvent on the Energy of Complex Formation of the Na+ and K+ Ions with the 18-Crown-6 and Dibenzo-18-Crown-6 Ethers
Stability constants of 1:1 complexes of the 18-crown-6 and dibenzo-18-crown-6 ethers with alkali metal ions (Na+ and K+) in water, acetonitrile, and their mixtures at 278-318 K were determined by potentiometry, conductometry, and UV spectrophotometry. Thermodynamic parameters of the complex formation (DeltaG, DeltaH, and TDeltaS) were calculated. Thermodynamic models (schemes) of the complex formation of the metal ions with the crown ethers were proposed, and contributions of solvation of the metal ions, ligands, and metal complexes into the increasing stability of the complexes on passing from water to acetonitrile were quantitatively estimated.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare