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Uracil

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltasub131. ± 5.kJ/molTE,GSBardi, Bencivenni, et al., 1980Based on data from 452. - 587. K.; AC
Deltasub126.5 ± 2.2kJ/molVNabavian, Sabbah, et al., 1977ALS
Deltasub84.kJ/molVClark, Peschel, et al., 1965ALS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
125.3 ± 0.2425.QR,MEde Barros, Medina, et al., 2006Based on data from 315. - 435. K.; AC
101.3399. - 411.MESzterner, Kaminski, et al., 2002AC
127.0 ± 2.0439.TEBrunetti, Piacente, et al., 2000Based on data from 394. - 494. K.; AC
130.6 ± 4.0519.ME,TEBardi, Bencivenni, et al., 1980Based on data from 452. - 587. K.; AC
120.5 ± 1.3403.QRTeplitsky, Yanson, et al., 1980Based on data from 378. - 428. K.; AC
121.7425.MSYanson, Teplitsky, et al., 1979AC
134. ± 8.523.HSANowak, Szczepaniak, et al., 1978Based on data from 500. - 545. K.; AC
126.5 ± 2.2440.CNabavian, Sabbah, et al., 1977, 2AC
120.5 ± 5.2426.LEYanson and Teplitskii, 1975Based on data from 393. - 458. K. See also Yanson, Verkin, et al., 1974.; AC

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Bardi, Bencivenni, et al., 1980
Bardi, G.; Bencivenni, L.; Ferro, D.; Martini, B.; Nunziante Cesaro, S.; Teghil, R., Thermodynamic study of the vaporization of uracil, Thermochimica Acta, 1980, 40, 2, 275-282, https://doi.org/10.1016/0040-6031(80)87229-7 . [all data]

Nabavian, Sabbah, et al., 1977
Nabavian, P.M.; Sabbah, R.; Chastel, R.; Laffitte, M., Thermodynamique de composes azotes. II. Etude thermochimique des acides aminobenzoiques, de la pyrimidine, de l'uracile et de la thymine., J. Chim. Phys., 1977, 74, 115-126. [all data]

Clark, Peschel, et al., 1965
Clark, L.B.; Peschel, G.G.; Tinoco, I., Jr., Vapor spectra and heats of vaporization of some purine and pyrmidine bases, J. Phys. Chem., 1965, 69, 3615. [all data]

de Barros, Medina, et al., 2006
de Barros, A.L.F.; Medina, A.; Zappa, F.; Pereira, J.M.; Bessa, E.; Martins, M.H.P.; Coelho, L.F.S.; Wolff, W.; de Castro Faria, N.V., A simple experimental arrangement for measuring the vapour pressures and sublimation enthalpies by the Knudsen effusion method: Application to DNA and RNA bases, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2006, 560, 2, 219-223, https://doi.org/10.1016/j.nima.2006.01.026 . [all data]

Szterner, Kaminski, et al., 2002
Szterner, Piotr; Kaminski, Miron; Zielenkiewicz, Anna, Vapour pressures, molar enthalpies of sublimation and molar enthalpies of solution in water of five halogenated derivatives of uracil, The Journal of Chemical Thermodynamics, 2002, 34, 7, 1005-1012, https://doi.org/10.1006/jcht.2000.0987 . [all data]

Brunetti, Piacente, et al., 2000
Brunetti, Bruno; Piacente, Vincenzo; Portalone, Gustavo, Sublimation Enthalpies of Some Methyl Derivatives of Uracil from Vapor Pressure Measurements, J. Chem. Eng. Data, 2000, 45, 2, 242-246, https://doi.org/10.1021/je9902802 . [all data]

Teplitsky, Yanson, et al., 1980
Teplitsky, A.B.; Yanson, I.K.; Glukhova, O.T.; Zielenkiwicz, A.; Zielenkiewicz, W.; Wierzchowski, K.L., Thermochemistry of aqueous solutions of alkylated nucleic acid bases, Biophysical Chemistry, 1980, 11, 1, 17-21, https://doi.org/10.1016/0301-4622(80)85003-4 . [all data]

Yanson, Teplitsky, et al., 1979
Yanson, I.K.; Teplitsky, A.B.; Sukhodub, L.F., Experimental studies of molecular interactions between nitrogen bases of nucleic acids, Biopolymers, 1979, 18, 5, 1149-1170, https://doi.org/10.1002/bip.1979.360180510 . [all data]

Nowak, Szczepaniak, et al., 1978
Nowak, M.J.; Szczepaniak, K.; Barski, A.; Shugar, D.Z., Z. Naturforsch. C, 1978, 33C, 876. [all data]

Nabavian, Sabbah, et al., 1977, 2
Nabavian, M.; Sabbah, R.; Chastel, R.; Laffitte, M., J. Chim. Phys.Phys.-Chim. Biol., 1977, 74, 115. [all data]

Yanson and Teplitskii, 1975
Yanson, I.K.; Teplitskii, A.B., Zh. Fiz. Khim., 1975, 49, 736. [all data]

Yanson, Verkin, et al., 1974
Yanson, I.K.; Verkin, B.I.; Shklyarevskii, O.I.; Teplitskii, A.B., Stud. Biophys., 1974, 46, 1, 29. [all data]


Notes

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