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Cyclobutene

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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
Deltafgas157. ± 2.kJ/molCmWiberg and Fenoglio, 1968ALS
Quantity Value Units Method Reference Comment
Deltacgas-2588.2 ± 1.5kJ/molCmWiberg and Fenoglio, 1968Corresponding «DELTA»fgas = 156.7 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
33.3250.Dorofeeva O.V., 1986Discrepancies between selected values and those calculated earlier [ Danti A., 1957] amount to 1.6-3.5 J/mol*K for S(T) and Cp(T).; GT
35.05100.
38.61150.
44.70200.
58.74273.15
64.4 ± 2.0298.15
64.84300.
88.07400.
108.62500.
125.54600.
139.44700.
151.04800.
160.83900.
169.181000.
176.341100.
182.491200.
187.801300.
192.391400.
196.381500.

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

Dorofeeva O.V., 1986
Dorofeeva O.V., Thermodynamic properties of twenty-one monocyclic hydrocarbons, J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]

Danti A., 1957
Danti A., Thermodynamic functions of cyclobutene, J. Chem. Phys., 1957, 27, 1227. [all data]


Notes

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