sec-butylurea

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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
Δfgas-73.38 ± 0.42kcal/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987

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

Quantity Value Units Method Reference Comment
Δfsolid-98.76 ± 0.36kcal/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987
Quantity Value Units Method Reference Comment
Δcsolid-781.38 ± 0.32kcal/molCcbKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987

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
Δsub24.4 ± 0.1kcal/molGSEmel'yanenko, Kabo, et al., 2006Based on data from 345. to 394. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
24.5 ± 0.1350.CRibeiro da Silva, Lobo Ferreira, et al., 2009AC
24.9 ± 0.2355.MEZaitsau, Kabo, et al., 2003Based on data from 338. to 372. K.; AC
25.0 ± 0.2350.MEZaitsau, Kabo, et al., 2003Based on data from 338. to 372. K.; AC
25.4 ± 0.2353.CKabo, Miroshnichenko, et al., 1990see Simirsky, Kabo, et al., 1987; ALS

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]

Emel'yanenko, Kabo, et al., 2006
Emel'yanenko, Vladimir N.; Kabo, Gennady J.; Verevkin, Sergey P., Measurement and Prediction of Thermochemical Properties: Improved Increments for the Estimation of Enthalpies of Sublimation and Standard Enthalpies of Formation of Alkyl Derivatives of Urea, J. Chem. Eng. Data, 2006, 51, 1, 79-87, https://doi.org/10.1021/je050230z . [all data]

Ribeiro da Silva, Lobo Ferreira, et al., 2009
Ribeiro da Silva, Manuel A.V.; Lobo Ferreira, Ana I.M.C.; Moreno, Ana Rita G., Experimental thermochemical study of the monochloronitrobenzene isomers, The Journal of Chemical Thermodynamics, 2009, 41, 1, 109-114, https://doi.org/10.1016/j.jct.2008.07.012 . [all data]

Zaitsau, Kabo, et al., 2003
Zaitsau, Dz; Kabo, G.J.; Kozyro, A.A.; Sevruk, V.M., The effect of the failure of isotropy of a gas in an effusion cell on the vapor pressure and enthalpy of sublimation for alkyl derivatives of carbamide, Thermochimica Acta, 2003, 406, 1-2, 17-28, https://doi.org/10.1016/S0040-6031(03)00231-4 . [all data]


Notes

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