Thermochimica Acta, volume 627-629, pages 48-54
Temperature-dependent thermochemical properties of the Mebicaret (2,4-dimethyl-6,8-diethylglycoluril) solutions in H2 O and D2 O at the ambient pressure
Publication type: Journal Article
Publication date: 2016-03-01
Journal:
Thermochimica Acta
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.5
ISSN: 00406031, 1872762X
Physical and Theoretical Chemistry
Condensed Matter Physics
Instrumentation
Abstract
Abstract The enthalpies of solution of Mebicaret or 2,4-dimethyl-6,8-diethyl-2,4,6,8-tatraazabicyclo[3.3.0]octane-3,7-dione in ordinary (H2O) and heavy (D2O) water at (278.15, 279.15, 288.15, 298.15, 308.15, and 313.15) K as well as the enthalpies of dilution of its H/D isotopically distinguishable aqueous solutions at 298.15 K were measured calorimetrically. The standard (at infinite dilution) molar enthalpies and heat capacities of solution, and the enthalpic coefficients for pair (h22) and triplet (h222) interactions between hydrated solute molecules along with D2O−H2O solvent isotope effects (IEs) on the studied quantities were computed. The enthalpic effects of Mebicaret dissolution in H2O and D2O experience a negative-to-positive sign inversion nearby 303 K and 304 K, respectively, whereas the corresponding IEs were found to be wholly negative (by sign) and decreasing in magnitude with increasing temperature. The h22 values as well as IEs on them were found to be negative, too. On the contrary, the values of h222 are positive and comparable in magnitude with h22 ones. These facts indicate that the Mebicaret hydration, being enhanced in the D2O medium, is dualistic by the nature with the prevailing hydrophilic mechanism.
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Ivanov E. et al. Temperature-dependent thermochemical properties of the Mebicaret (2,4-dimethyl-6,8-diethylglycoluril) solutions in H2O and D2O at the ambient pressure // Thermochimica Acta. 2016. Vol. 627-629. pp. 48-54.
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Ivanov E., Batov D. V., Baranov V. V., Kravchenko A. N. Temperature-dependent thermochemical properties of the Mebicaret (2,4-dimethyl-6,8-diethylglycoluril) solutions in H2O and D2O at the ambient pressure // Thermochimica Acta. 2016. Vol. 627-629. pp. 48-54.
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TY - JOUR
DO - 10.1016/j.tca.2016.01.010
UR - https://doi.org/10.1016%2Fj.tca.2016.01.010
TI - Temperature-dependent thermochemical properties of the Mebicaret (2,4-dimethyl-6,8-diethylglycoluril) solutions in H2O and D2O at the ambient pressure
T2 - Thermochimica Acta
AU - Ivanov, Evgeniy
AU - Batov, Dmitriy V
AU - Baranov, Vladimir V.
AU - Kravchenko, Angelina N.
PY - 2016
DA - 2016/03/01 00:00:00
PB - Elsevier
SP - 48-54
VL - 627-629
SN - 0040-6031
SN - 1872-762X
ER -
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@article{2016_Ivanov,
author = {Evgeniy Ivanov and Dmitriy V Batov and Vladimir V. Baranov and Angelina N. Kravchenko},
title = {Temperature-dependent thermochemical properties of the Mebicaret (2,4-dimethyl-6,8-diethylglycoluril) solutions in H2O and D2O at the ambient pressure},
journal = {Thermochimica Acta},
year = {2016},
volume = {627-629},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016%2Fj.tca.2016.01.010},
pages = {48--54},
doi = {10.1016/j.tca.2016.01.010}
}