2-Imidazolidinone

• Formula: C₃H₆N₂O
• Molecular weight: 86.0925
• IUPAC Standard InChI: InChI=1S/C3H6N2O/c6-3-4-1-2-5-3/h1-2H2,(H2,4,5,6) Copy

  
• IUPAC Standard InChIKey: YAMHXTCMCPHKLN-UHFFFAOYSA-N Copy
• CAS Registry Number: 120-93-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Ethyleneurea; Imidazolid-2-one; N,N'-Ethyleneurea; SD 6073; Urea, N,N'-(1,2-Ethanediyl)-; 2-Imidazolidone; 2-Oxoimidazolidine; Urea, 1,3-ethylene-; 1,3-Ethyleneurea; Imidazoliden-2-one; NSC 21314
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
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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

Enthalpy of fusion

Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IR Spectrum

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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: Coblentz Society, Inc.

Spectrum

A digitized version of this spectrum is not currently available.

Additional Data

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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]

Andreocci, Devillanova, et al., 1980
Andreocci, M.V.; Devillanova, F.A.; Furlani, C.; Mattogno, G.; Verani, G.; Zanoni, R., Structural characterization of some substituted azolidine molecules: UPS photoelectron spectroscopic studies, J. Mol. Struct., 1980, 69, 151. [all data]

Notes

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• Symbols used in this document:
  

  Ttriple	Triple point temperature
  ΔfusH	Enthalpy of fusion
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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