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Urea, methyl-

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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
Deltafsolid-332.78 ± 0.75kJ/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987 and Simirskii, Kabo, et al., 1986; ALS
Deltafsolid-327.8 ± 1.4kJ/molCcbFinch and Smith, 1983ALS
Quantity Value Units Method Reference Comment
Deltacsolid-1311.74 ± 0.69kJ/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987 and Simirskii, Kabo, et al., 1986; ALS
Deltacsolid-1316.8 ± 1.4kJ/molCcbFinch and Smith, 1983ALS
Quantity Value Units Method Reference Comment
solid,1 bar138.02J/mol*KN/AKozyro, Kabo, et al., 1993DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
114.74298.15Kozyro, Kabo, et al., 1993T = 5 to 350 K.; DH

References

Go To: Top, Condensed phase thermochemistry data, Notes

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

Kabo, Miroshnichenko, et al., 1990
Kabo, G.Ya.; Miroshnichenko, E.A.; Frenkel, M.L.; Kozyro, A.A.; Simirskii, V.V.; Krasulin, A.P.; Vorob'eva, V.P.; Lebedev, Yu.A., Thermochemistry of urea alkyl derivatives, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1990, 662-667. [all data]

Simirsky, Kabo, et al., 1987
Simirsky, V.V.; Kabo, G.J.; Frenkel, M.L., Additivity of the enthalpies of formation of urea derivatives in the crystalline state, J. Chem. Thermodyn., 1987, 19, 1121-1127. [all data]

Simirskii, Kabo, et al., 1986
Simirskii, V.V.; Kabo, G.Ya.; Frenkel, M.L., Enthalpies of combustion and of formation of monoalkyl derivatives of urea, Russ. J. Phys. Chem. (Engl. Transl.), 1986, 60, 1233-1234. [all data]

Finch and Smith, 1983
Finch, A.; Smith, A.E., The standard enthalpy of formation of methylurea, Thermochim. Acta, 1983, 66, 387-389. [all data]

Kozyro, Kabo, et al., 1993
Kozyro, A.A.; Kabo, G.J.; Krasulin, A.P.; Sevruk, V.M.; Simirsky, V.V.; Sheiman, M.S.; Frenkel, M.L., Thermodynamic properties of methylurea, J. Chem. Thermodyn., 1993, 25, 1409-1417. [all data]


Notes

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