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Cyclopropane, 1,1-dimethyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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
Deltafgas-8.2 ± 1.2kJ/molCcbGood, Moore, et al., 1974ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
34.5350.Thermodynamics Research Center, 1997p=1 bar. Selected values are lower than other statistically calculated values [ Kabo G.Y., 1973] up to 2.2 and 1.1 J/mol*K for S(T) and Cp(T), respectively.; GT
46.12100.
60.44150.
74.83200.
98.04273.15
106.37298.15
106.99300.
139.28400.
167.17500.
190.30600.
209.64700.
226.09800.
240.23900.
252.451000.
263.041100.
272.231200.
280.211300.
287.141400.
293.191500.
305.21750.
313.92000.
320.42250.
325.32500.
329.02750.
332.03000.

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
Deltafliquid-33.3 ± 0.79kJ/molCcbGood, Moore, et al., 1974 
Quantity Value Units Method Reference Comment
Deltacliquid-3363.4 ± 0.71kJ/molCcbGood, Moore, et al., 1974Corresponding «DELTA»fliquid = -33.3 kJ/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, IR Spectrum, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil295. ± 9.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus164. ± 1.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Deltavap25. ± 0.8kJ/molEGood, Moore, et al., 1974ALS
Deltavap25.1kJ/molN/AGood, Moore, et al., 1974DRB
Deltavap25.1 ± 0.8kJ/molEBGood, Moore, et al., 1974AC

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:


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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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

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)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 114476

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

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

Good, Moore, et al., 1974
Good, W.D.; Moore, R.T.; Osborn, A.G.; Douslin, D.R., The enthalpies of formation of ethylcyclobutane, methylenecyclobutane, and 1,1-dimethylcyclopropane, J. Chem. Thermodyn., 1974, 6, 303-310. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [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]


Notes

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