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Cyclobutane

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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 by: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
34.1550.Dorofeeva O.V., 1986Discrepancies between selected values and those calculated earlier [ Rathjens G.W., 1953] increase as the temperature increases and amount to 5.4 and 3.1 J/mol*K for S(1500 K) and Cp(1500 K), respectively.
38.19100.
42.28150.
48.84200.
64.23273.15
70.6 ± 1.5298.15
71.05300.
97.67400.
122.03500.
142.64600.
159.92700.
174.52800.
186.99900.
197.671000.
206.851100.
214.761200.
221.591300.
227.501400.
232.621500.

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltacliquid-2720.4 ± 0.5kJ/molCcbKaarsemaker and Coops, 1952Corresponding «DELTA»fliquid = 3.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-2720.5 ± 0.4kJ/molCcbCoops and Kaarsemaker, 1950Corresponding «DELTA»fliquid = 3.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid175.15J/mol*KN/ARathjens and Gwinn, 1953DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
106.32285.Rathjens and Gwinn, 1953T = 15 to 285 K.; DH

Reaction 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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C4H7- + Hydrogen cation = Cyclobutane

By formula: C4H7- + H+ = C4H8

Quantity Value Units Method Reference Comment
Deltar1746. ± 8.4kJ/molBranDePuy, Gronert, et al., 1989gas phase; B
Deltar1757. ± 8.4kJ/molBranPeerboom, Rademaker, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1709. ± 8.8kJ/molH-TSDePuy, Gronert, et al., 1989gas phase; B
Deltar1719. ± 8.8kJ/molH-TSPeerboom, Rademaker, et al., 1992gas phase; B

2Ethylene = Cyclobutane

By formula: 2C2H4 = C4H8

Quantity Value Units Method Reference Comment
Deltar-86.6 ± 4.2kJ/molEqkQuick, Knecht, et al., 1972gas phase; At 750 K; ALS

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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

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]

Rathjens G.W., 1953
Rathjens G.W., Jr., Infrared absorption spectra, structure and thermodynamic properties of cyclobutane, J. Am. Chem. Soc., 1953, 75, 5634-5642. [all data]

Kaarsemaker and Coops, 1952
Kaarsemaker, S.; Coops, J., Thermal quantities of some cycloparaffins. Part III. Results of measurements, Rec. Trav. Chim. Pays/Bas, 1952, 71, 261. [all data]

Coops and Kaarsemaker, 1950
Coops, J.; Kaarsemaker, SJ., Heat of combustion of cyclobutane, Recl. Trav. Chim. Pays-Bas, 1950, 69, 1364. [all data]

Rathjens and Gwinn, 1953
Rathjens, G.W., Jr.; Gwinn, W.D., Heat capacities and entropy of cyclobutane, J. Am. Chem. Soc., 1953, 75, 5629-5633. [all data]

DePuy, Gronert, et al., 1989
DePuy, C.H.; Gronert, S.; Barlow, S.E.; Bierbaum, V.M.; Damrauer, R., The Gas Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1989, 111, 6, 1968, https://doi.org/10.1021/ja00188a003 . [all data]

Peerboom, Rademaker, et al., 1992
Peerboom, R.A.L.; Rademaker, G.J.; Dekoning, L.J.; Nibbering, N.M.M., Stabilization of Cycloalkyl Carbanions in the Gas Phase, Rapid Commun. Mass Spectrom., 1992, 6, 6, 394, https://doi.org/10.1002/rcm.1290060608 . [all data]

Quick, Knecht, et al., 1972
Quick, L.M.; Knecht, D.A.; Back, M.H., Kinetics of the formation of cyclobutane from ethylene, Int. J. Chem. Kinet., 1972, 4, 61-68. [all data]


Notes

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