Isopropenylcyclopropane

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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
Δcliquid-920.0kcal/molCcbTatevskii, Yarovoi, et al., 1973Corresponding Δfliquid = 14.1 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-865.kcal/molCcbSlabey and Wise, 1952Corresponding Δfliquid = -41. kcal/mol (simple calculation by NIST; no Washburn corrections)

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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tboil343.5 ± 0.1KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus170.81KN/ASlabey and Wise, 1952, 2Uncertainty assigned by TRC = 0.2 K
Tfus170.81KN/AAnonymous, 1949Uncertainty assigned by TRC = 0.3 K
Tfus170.81KN/ASlabey, Wise, et al., 1949Uncertainty assigned by TRC = 0.15 K
Tfus170.79KN/AVan Volkenburgh, Greenlee, et al., 1949Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K

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:


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

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C6H10+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)208.3kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity201.4kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.66 ± 0.05EIWolkoff, Holmes, et al., 1980LLK
9.12PEDewar, Fonken, et al., 1976Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H7+9.18 ± 0.05CH3EIWolkoff, Holmes, et al., 1980LLK

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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 445

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Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedSqualane27.615.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.616.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.617.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.619.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm

References

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

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

Tatevskii, Yarovoi, et al., 1973
Tatevskii, V.M.; Yarovoi, S.S.; Grikina, O.E.; Pustovaya, O.E., Calculation of enthalpies of combustion and formation, molar volumes, and densities of hydrocarbons containing three-membered rings, Vestn. Mosk. Univ. Ser. 2: Khim., 1973, 14, 3-12. [all data]

Slabey and Wise, 1952
Slabey, V.A.; Wise, P.H., The dehydration of methylalkylcyclopropylcarbinols. Isolation and purification of 2-cyclopropylalkenes, J. Am. Chem. Soc., 1952, 74, 1473-1476. [all data]

Slabey and Wise, 1952, 2
Slabey, V.A.; Wise, P.H., The Dehydration of Methylalkylcyclopropylcarbinols. Isolation and Purification of 2-Cyclopropylalkenes, J. Am. Chem. Soc., 1952, 74, 1473. [all data]

Anonymous, 1949
Anonymous, R., , Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1949. [all data]

Slabey, Wise, et al., 1949
Slabey, V.A.; Wise, P.H.; Gibbons, L.C., Synthesis of isopropylcyclopropane, J. Am. Chem. Soc., 1949, 71, 1518-9. [all data]

Van Volkenburgh, Greenlee, et al., 1949
Van Volkenburgh, R.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E., The Synthesis of Some Cyclopropane Hydrocarbons From Methyl Cyclopropyl Ketone, J. Am. Chem. Soc., 1949, 71, 172-5. [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]

Wolkoff, Holmes, et al., 1980
Wolkoff, P.; Holmes, J.L.; Lossing, F.P., On the formation of cyclopentenium cations from all C6H10+ molecular ion structures, Can. J. Chem., 1980, 58, 251. [all data]

Dewar, Fonken, et al., 1976
Dewar, M.J.S.; Fonken, G.J.; Jones, T.B.; Minter, D.E., Photoelectron spectra of molecules. Part VII. Cyclopropylallenes, J. Chem. Soc. Perkin Trans. 2, 1976, 764. [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]


Notes

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