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2-Butene, 2-methyl-

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Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-41.5 ± 0.88kJ/molEqkWiberg and Hao, 1991Heat of hydration; ALS
Deltafgas-41.0kJ/molN/AGood and Smith, 1979Value computed using «DELTA»fHliquid° value of -68.1±1.3 kj/mol from Good and Smith, 1979 and «DELTA»vapH° value of 27.1 kj/mol from Wiberg and Hao, 1991.; DRB

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
111.00 ± 0.33319.04Scott D.W., 1949GT
122.97 ± 0.37362.37
133.93 ± 0.40402.26
143.05 ± 0.43436.18
152.05 ± 0.46471.09

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
105.02298.15Scott D.W., 1949Recommended results of statistical thermodynamics calculation are in good agreement with experimental data.; GT
105.52300.
133.60400.
159.28500.
181.67600.
201.00700.
217.78800.
232.30900.
244.971000.
255.891100.
265.471200.
273.711300.
280.911400.
287.151500.

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.

Wiberg and Hao, 1991
Wiberg, K.B.; Hao, S., Enthalpies of hydration of alkenes. 4. Formation of acyclic tert-alcohols, J. Org. Chem., 1991, 56, 5108-5110. [all data]

Good and Smith, 1979
Good, W.D.; Smith, N.K., The enthalpies of combustion of the isomeric pentenes in the liquid state. A warning to combustion calorimetrists about sample drying, J. Chem. Thermodyn., 1979, 11, 111-118. [all data]

Scott D.W., 1949
Scott D.W., Thermodynamic properties of three isomeric pentenes, J. Am. Chem. Soc., 1949, 71, 2767-2773. [all data]


Notes

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