α-Methylstyrene

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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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas118.3 ± 1.4kJ/molEqkGuthrie, 1978ALS
Quantity Value Units Method Reference Comment
Δcgas-5083.77kJ/molCcbKrall and Roberts, 1958Corresponding Δfgas = 113.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
45.5250.Thermodynamics Research Center, 1997p=1 bar.; GT
57.42100.
73.78150.
94.14200.
128.36273.15
140.49298.15
141.38300.
187.68400.
227.07500.
259.1600.
285.1700.
306.5800.
324.3900.
339.31000.
352.01100.
362.71200.
371.91300.
379.81400.
386.51500.

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.

Guthrie, 1978
Guthrie, J.P., Equilibrium constants for a series of simple aldol condensations, and linear free energy relations with other carbonyl addition reactions, Can. J. Chem., 1978, 56, 962-973. [all data]

Krall and Roberts, 1958
Krall, R.E.; Roberts, J.D., Strain variation in the unsaturated cyclobutane ring, Am. Chem. Soc. Div. Pet. Chem., 1958, 3, 63-68. [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]


Notes

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