Cyclopropane

• Formula: C₃H₆
• Molecular weight: 42.0797
• IUPAC Standard InChI: InChI=1S/C3H6/c1-2-3-1/h1-3H2 Copy

  
• IUPAC Standard InChIKey: LVZWSLJZHVFIQJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-19-4
• 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: Trimethylene; Trimethylene (cyclic); UN 1027; Cyclopropnane
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • Fluid Properties
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Gas Phase Kinetics Database
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Phase change data

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References, Notes

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Entropy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of sublimation

Enthalpy of fusion

Entropy of fusion

Gas phase ion energetics data

Go To: Top, Phase change data, Vibrational and/or electronic energy levels, References, Notes

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

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C₃H₆⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₃H₅^- +  =

By formula: C₃H₅^- + H⁺ = C₃H₆

Vibrational and/or electronic energy levels

Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes

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

Data compiled by: Takehiko Shimanouchi

Symmetry:   D_3h     Symmetry Number σ = 6

Source: Shimanouchi, 1972

Notes

References

Go To: Top, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

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

Tickner and Lossing, 1951
Tickner, A.W.; Lossing, F.P., The Measurement of Low Vapor Pressures by Means of A Mass Spectrometer, J. Phys. Colloid Chem., 1951, 55, 733-40. [all data]

Ruehrwein and Powell, 1946
Ruehrwein, R.A.; Powell, T.M., The heat capacity, vapor pressure, heats of fusion and vaporization of cyclopropane. Entropy and density of the gas, J. Am. Chem. Soc., 1946, 68, 1063-6. [all data]

Daubert, 1996
Daubert, T.E., Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes, J. Chem. Eng. Data, 1996, 41, 365-372. [all data]

Lin, Silberberg, et al., 1970
Lin, D.C.K.; Silberberg, I.H.; McKetta, J.J., Volumetric Behavior, Vapor Pressure and Critical Properties of Cyclopropane, J. Chem. Eng. Data, 1970, 15, 483. [all data]

Booth and Morris, 1958
Booth, H.S.; Morris, W.C., The Critical Constants and Vapor Pressure of Cyclopropane, J. Phys. Chem., 1958, 62, 875. [all data]

Horneg, 1941
Horneg, A.G., Personal Communication, A. G. Horneg, Ohio Chem. & Mfg. Co., Phys. Constants of the Principal Hydrocarbons, 1941. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Lin, Silberberg, et al., 1970, 2
Lin, David C.K.; Silberberg, I. Harold; McKetta, John J., Volumetric behavior, vapor pressures, and critical properties of cyclopropane, J. Chem. Eng. Data, 1970, 15, 4, 483-492, https://doi.org/10.1021/je60047a016 . [all data]

Ruehrwein and Powell, 1946, 2
Ruehrwein, R.A.; Powell, T.M., The heat capacity, vapor pressure, heats of fusion and vaporization of cyclopropane. Entropy and density of the gas, J. Am. Chem. Soc., 1946, 68, 1063-1068. [all data]

Calado, Filipe, et al., 1997
Calado, Jorge C.G.; Filipe, Eduardo J.M.; Lopes, José N.C., The vapour pressure of liquid cyclopropane, The Journal of Chemical Thermodynamics, 1997, 29, 12, 1435-1438, https://doi.org/10.1006/jcht.1997.0256 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Ruehrwein and Powell, 1946, 3
Ruehrwein, R.A.; Powell, T.M., The Heat Capacity, Vapor Pressure, Heats of Fusion and Vaporization of Cyclopropane. Entropy and Density of the Gas ¹, J. Am. Chem. Soc., 1946, 68, 6, 1063-1066, https://doi.org/10.1021/ja01210a044 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Bondi, 1963
Bondi, A., Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments., J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027 . [all data]

Tickner and Lossing, 1951, 2
Tickner, A.W.; Lossing, F.P., The Measurement of Low Vapor Pressures by Means of a Mass Spectrometer., J. Phys. Chem., 1951, 55, 5, 733-740, https://doi.org/10.1021/j150488a013 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Traeger, 1984
Traeger, J.C., A study of the allyl cation thermochemistry by photoionization mass spectrometry, Int. J. Mass Spectrom. Ion Processes, 1984, 58, 259. [all data]

Lias and Buckley, 1984
Lias, S.G.; Buckley, T.J., Structures and reactions of C₃H₆⁺ ions generated in cyclopropane, Int. J. Mass Spectrom. Ion Processes, 1984, 56, 123. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P., Valence ionization enrgies of hydrocarbons, Helv. Chim. Acta, 1977, 60, 2213. [all data]

Rothgery, Holt, et al., 1975
Rothgery, E.F.; Holt, J.; McGee, H.A., Jr., Cryochemical synthesis and molecular energetics of cyclopropanone and some related compounds, J. Am. Chem. Soc., 1975, 97, 4971. [all data]

Krassig, Reinke, et al., 1974
Krassig, R.; Reinke, D.; Baumgartel, H., Photo-reaktionen kleiner organischer molekule II. Die photoionenspektren der Isomeren propylen-cyclopropan und acetaldehyd-athylenoxyd, Ber. Bunsen-Ges. Phys. Chem., 1974, 78, 425. [all data]

Lossing, 1972
Lossing, F.P., Free radicals by mass spectrometry. XLV. Ionization potentials and heats of formation of C₃H₃, C₃H₅, and C₄H₇ radicals and ions, Can. J. Chem., 1972, 50, 3973. [all data]

Basch, Robin, et al., 1969
Basch, H.; Robin, M.B.; Kuebler, N.A.; Baker, C.; Turner, D.W., Optical and photoelectron spectra of small rings. III. The saturated three-membered rings, J. Chem. Phys., 1969, 51, 52. [all data]

Cermak, 1968
Cermak, V., Penning ionization electron spectroscopy. I. Determination of ionization potentials of polyatomic molecules, Collection Czech. Chem. Commun., 1968, 33, 2739. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Plemenkov, Villem, et al., 1981
Plemenkov, V.V.; Villem, Y.Y.; Villem, N.V.; Bolesov, I.G.; Surmina, L.S.; Yakushkina, N.I.; Formanovskii, A.A., Photoelectron spectra of polyalkylcyclopropenes and polyalkylcyclopropanes, Zh. Obshch. Khim., 1981, 51, 2076. [all data]

Haney and Franklin, 1968
Haney, M.A.; Franklin, J.L., Correlation of excess energies of electron-impact dissociations with the translational energies of the products, J.Chem. Phys., 1968, 48, 4093. [all data]

Harrison and Tait, 1962
Harrison, A.G.; Tait, J.M.S., Concurrent ion-molecule reactions leading to the same product ion, Can. J. Chem., 1962, 40, 1986. [all data]

Buttrill, Williamson, et al., 1975
Buttrill, S.E., Jr.; Williamson, A.D.; LeBreton, P., Photoionization measurement of the heat of formation of allyl cations, J. Chem. Phys., 1975, 62, 1586. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References

• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  Vc	Critical volume
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ΔvapS	Entropy of vaporization
  ρc	Critical density

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