IR Spectroscopy of Conformational Transitions in Molecules of 1,2-Dichloroethane and 1,1,2,2-Tetrabromoethane Infiltrated into Nanoporous Glassesстатья
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Дата последнего поиска статьи во внешних источниках: 7 июля 2020 г.
Аннотация:The results of studying IR absorption spectra under the condition of frustrated total internal reflection of 1,2-dichloroethane and 1,1,2,2-tetrabromoethane in porous glasses with different pore radii are presented. Changes in the intensities of trans-conformation and gauche conformation in the studied systems for various pore radii of glass R are found. The dependences of the differences in free energies of trans-conformation and gauche conformation for 1,2-dichloroethane and 1,1,2,2-tetrabromoethane on the pore radius of porous glass are obtained. At R>3.5 nm, the number of g-conformers for 1,2dichloroethane increases,whilethe number of t-conformersfor1,1,2,2-terabromoethane increases.