Roman Kos, I. Sobechko, Y. Horak
May 15, 2017
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Abstract
Using bomb calorimetry and Knudsen effusion methods the enthalpic characteristics in condensed state of ethyl-2-cyano-3-(furan-2-yl) prop-2-enoate derivatives were experimentally determined. The values of the enthalpies of formation in the gas state of investigated esters were calculated taking into account the values of the enthalpies of sublimation adjusted to 298K. From obtained thermochemical values we defined new group contributions which can be added to the Benson’s additive scheme. Using these increments the enthalpies of formation of investigated compounds in gas state were theoretically calculated and their differences from the experimentally determined were analyzed.