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Urea, tetraethyl-

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Gas phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-316.4 ± 5.0kJ/molCcbKozyro, Simirskii, et al., 1990 

Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-380.0 ± 5.0kJ/molCcbKozyro, Simirskii, et al., 1990ALS
Deltafliquid-554.0 ± 5.9kJ/molCcbTavernier and Lamouroux, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -541.87 kJ/mol; Author's hf298_condensed=-134.219 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-6019.9 ± 4.8kJ/molCcbKozyro, Simirskii, et al., 1990ALS
Deltacliquid-5845.9 ± 5.9kJ/molCcbTavernier and Lamouroux, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -5858.06 kJ/mol; Author's hf298_condensed=-134.219 kcal/mol; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
355.6298.15Kozyro, Simirskii, et al., 1990, 2T = 160 to 370 K. Cp(c) = 77.10 + 0.7804 T (160 to 230 K); Cp(liq) = 235.75 + 0.4019 T (290 to 370 K) J/mol*K.; DH

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.

Kozyro, Simirskii, et al., 1990
Kozyro, A.A.; Simirskii, V.V.; Kabo, G.Ya.; Frenkel, M.L.; Krasulin, A.P.; Sevruk, V.M.; Sokolov, N.A., The additivity of the thermodynamic properties of tetra-alkyl derivatives of carbamide, Russ. J. Phys. Chem. (Engl. Transl.), 1990, 64, 1274-1275. [all data]

Tavernier and Lamouroux, 1956
Tavernier, P.; Lamouroux, M., Determinations calorimetriques relatives a vingt-six substances organiques, Mem. Poudres, 1956, 38, 65-88. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Kozyro, Simirskii, et al., 1990, 2
Kozyro, A.A.; Simirskii, V.V.; Kabo, G.Ya.; Frenkel, M.L.; Krasulin, A.P.; Sevruk, V.M.; Sokolov, N.A., The additivity of the thermodynamic properties of tetra-alkyl derivatives of carbamide, Zhur. Fiz. Khim., 1990, 64(9), 2360-2365. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References