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Urea, tetramethyl-

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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-205.6 ± 1.1kJ/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987 and Kozyro, Krasulin, et al., 1988

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-262.2 ± 1.1kJ/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987 and Kozyro, Krasulin, et al., 1988; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-3420.36 ± 0.81kJ/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987 and Kozyro, Krasulin, et al., 1988; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
241.2320.Kozyro, Krasulin, et al., 1988, 2T = 160 to 425 K. Equation only. Cp(c) = 60.22 + 0.520 T J/mol*K (160 to 240 K); Cp(liq) = 153.30 + 0.2748 J/mol*K (320 to 425 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.

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]

Kozyro, Krasulin, et al., 1988
Kozyro, A.A.; Krasulin, A.P.; Simirskii, V.V.; Markovnik, V.S., Thermodynamic properties of tetramethylurea, Russ. J. Phys. Chem. (Engl. Transl.), 1988, 62, 895-897. [all data]

Kozyro, Krasulin, et al., 1988, 2
Kozyro, A.A.; Krasulin, A.P.; Simirskii, V.V.; Markovnik, V.S., Thermodynamic properties of tetramethylurea, Zhur. Fiz. Khim., 1988, 62, 1747-1751. [all data]


Notes

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