Cyclobutane, 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δcgas-3352. ± 1.3kJ/molCcbHumphrey and Spitzer, 1950Corresponding Δfgas = -44.8 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
36.1150.Thermodynamics Research Center, 1997p=1 bar.; GT
48.84100.
60.02150.
70.79200.
90.58273.15
98.32298.15
98.90300.
130.8400.
159.8500.
184.3600.
204.8700.
222.3800.
237.3900.
250.21000.
261.31100.
270.91200.
279.31300.
286.51400.
292.81500.
305.21750.
314.22000.
320.92250.
326.02500.
329.92750.
332.93000.

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 by: 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

Cyclobutane, methylene- + Hydrogen = Cyclobutane, methyl-

By formula: C5H8 + H2 = C5H10

Quantity Value Units Method Reference Comment
Δr-123.1 ± 0.3kJ/molChydTurner, Goebel, et al., 1968liquid phase; solvent: Acetic acid

Hydrogen + Cyclobutene, 1-methyl- = Cyclobutane, methyl-

By formula: H2 + C5H8 = C5H10

Quantity Value Units Method Reference Comment
Δr-119.2 ± 0.04kJ/molChydTurner, Goebel, et al., 1968liquid phase; solvent: Acetic acid

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.

Humphrey and Spitzer, 1950
Humphrey, G.I.; Spitzer, R., Bond hybridization in the non-tetrahedral carbon atom. The heats of combustion of spiro-pentane and methylcyclobutane, J. Chem. Phys., 1950, 18, 902. [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]

Turner, Goebel, et al., 1968
Turner, R.B.; Goebel, P.; Mallon, B.J.; Doering, W.E.; Coburn, J.F., Jr.; Pomerantz, M., Heats of hydrogenation. VIII. Compounds with three- and four-membered rings, J. Am. Chem. Soc., 1968, 90, 4315-4322. [all data]


Notes

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