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2-Imidazolidinone

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Ttriple397.3KN/AWeinstein, Leffler, et al., 1984Crystal phase 1 phase; Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Deltasub23.1 ± 0.2kcal/molMERibeiro da Silva, Ribeiro da Silva, et al., 2008Based on data from 327. - 349. K.; AC
Deltasub20.0kcal/molN/Ade Farias, de Oliveira, et al., 1999AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Method Reference Comment
2.75401.2N/ARibeiro da Silva, Ribeiro da Silva, et al., 2008AC
1.22397.3DSCWeinstein, Leffler, et al., 1984, 2AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

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

Weinstein, Leffler, et al., 1984
Weinstein, D.I.; Leffler, A.J.; Currie, J.A., Phase Transitions in Bicyclic Compounds, Mol. Cryst. Liq. Cryst., 1984, 104, 95. [all data]

Ribeiro da Silva, Ribeiro da Silva, et al., 2008
Ribeiro da Silva, Maria das Dores M.C.; Ribeiro da Silva, Manuel A.V.; Freitas, Vera L.S.; Roux, Maria Victoria; Jiménez, Pilar; Temprado, Manuel; Dávalos, Juan Z.; Cabildo, Pilar; Claramunt, Rosa M.; Elguero, José, Structural studies of cyclic ureas: 1. Enthalpies of formation of imidazolidin-2-one and N,N´-trimethyleneurea, The Journal of Chemical Thermodynamics, 2008, 40, 3, 386-393, https://doi.org/10.1016/j.jct.2007.08.004 . [all data]

de Farias, de Oliveira, et al., 1999
de Farias, Robson F.; de Oliveira, Ótom A.; de Medeiros, José V.; Claudio Airoldi, José V., Adducts of cyclic ureas with zinc halides -- a thermochemical study, Thermochimica Acta, 1999, 328, 1-2, 241-246, https://doi.org/10.1016/S0040-6031(98)00648-0 . [all data]

Weinstein, Leffler, et al., 1984, 2
Weinstein, D.I.; Leffler, A.J.; Currie, J.A., Phase Transitions In Bicyclic Compounds, Molecular Crystals and Liquid Crystals, 1984, 104, 1-2, 95-109, https://doi.org/10.1080/00268948408070401 . [all data]


Notes

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