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Methylenecyclopropane

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Gas phase thermochemistry data

Go To: Top, Phase change data, Mass spectrum (electron ionization), 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas48.0 ± 0.4kcal/molCmWiberg and Fenoglio, 1968ALS
Quantity Value Units Method Reference Comment
Deltacgas-629.07 ± 0.45kcal/molCmWiberg and Fenoglio, 1968Corresponding «DELTA»fgas = 47.92 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
17.43298.15Yursha I.A., 1974Please also see Kabo G.Y., 1973.; GT
17.53300.
22.85400.
27.519500.
31.140600.
34.140700.
36.699800.
38.891900.
40.7601000.

Phase change data

Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Quantity Value Units Method Reference Comment
Tfus134.5KN/AGragson, Greenlee, et al., 1953Uncertainty assigned by TRC = 1. K
Tfus137.KN/AGragson, Greenlee, et al., 1953Uncertainty assigned by TRC = 1. 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:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change 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: 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.
Origin Chemical Concepts
NIST MS number 161511

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References

Go To: Top, Gas phase thermochemistry data, Phase change data, 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.

Wiberg and Fenoglio, 1968
Wiberg, K.B.; Fenoglio, R.A., Heats of formation of C4H6 hydrocarbons, J. Am. Chem. Soc., 1968, 90, 3395-3397. [all data]

Yursha I.A., 1974
Yursha I.A., Equilibriums and thermodynamics of isomerization of methylcyclohexenes, Neftekhimiya, 1974, 14, 688-693. [all data]

Kabo G.Y., 1973
Kabo G.Y., Thermodynamic properties of some hydrocarbons containing three-membered rings, Vestn. Beloruss. Univ., Ser. 2, 1973, 3-6. [all data]

Gragson, Greenlee, et al., 1953
Gragson, J.T.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E., J. Am. Chem. Soc., 1953, 75, 3344-7. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References