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Cyclobutane, methylene-

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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
Deltafgas106.kJ/molChydRoth, Adamczak, et al., 1991ALS
Deltafgas121.5 ± 0.71kJ/molCcbGood, Moore, et al., 1974ALS
Quantity Value Units Method Reference Comment
gas298.9 ± 1.0J/mol*KN/AFinke H.L., 1981Close value of S(298.15 K)=298.6(1.7) J/mol*K was calculated by [ Andreevskii D.N., 1983] using other value for the entropy of the liquid state.; GT

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
87.40298.15Andreevskii D.N., 1976GT
87.99300.
118.41400.
144.98500.
166.90600.
185.06700.
200.29800.
213.22900.
224.261000.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, References, Notes

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
Deltafliquid93.85 ± 0.59kJ/molCcbGood, Moore, et al., 1974ALS
Quantity Value Units Method Reference Comment
Deltacliquid-3204.7 ± 0.50kJ/molCcbGood, Moore, et al., 1974Corresponding «DELTA»fliquid = 93.85 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid210.2J/mol*KN/AFinke, Messerly, et al., 1981DH
liquid210.6J/mol*KN/ALebedev, Tsvetkova, et al., 1978DH
liquid210.6J/mol*KN/ALebedev, Tsvetkova, et al., 1978, 2DH
liquid210.6J/mol*KN/ALebedev, Lebedev, et al., 1975DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
131.1298.15Finke, Messerly, et al., 1981T = 12 to 301 K. Equation also given for temperature range 146 to 301 K.; DH
133.6298.15Lebedev, Tsvetkova, et al., 1978T = 12 to 315 K.; DH
133.6298.15Lebedev, Tsvetkova, et al., 1978, 2T = 12 to 315 K.; DH
133.6298.15Lebedev, Lebedev, et al., 1975T = 6 to 320 K.; DH

References

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

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

Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R., Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld, Chem. Ber., 1991, 124, 2499-2521. [all data]

Good, Moore, et al., 1974
Good, W.D.; Moore, R.T.; Osborn, A.G.; Douslin, D.R., The enthalpies of formation of ethylcyclobutane, methylenecyclobutane, and 1,1-dimethylcyclopropane, J. Chem. Thermodyn., 1974, 6, 303-310. [all data]

Finke H.L., 1981
Finke H.L., Thermodynamic properties of cyclopropylamine, cyclopentylamine, and methylenecyclobutane, J. Chem. Thermodyn., 1981, 13, 345-355. [all data]

Andreevskii D.N., 1983
Andreevskii D.N., Value of the S(298.15) entropy of methylenecyclobutane in the gaseous state, Zh. Fiz. Khim., 1983, 57, 2109. [all data]

Andreevskii D.N., 1976
Andreevskii D.N., The similar structures method in thermodynamics of C3-C5 methylenecycloalkanes, Zh. Strukt. Khim., 1976, 17, 51-57. [all data]

Finke, Messerly, et al., 1981
Finke, H.L.; Messerly, J.F.; Lee-Bechtold, S.H., Thermodynamic properties of cyclopropylamine, cyclopentylamine, and methylenecyclobutane, J. Chem. Thermodyn., 1981, 13, 345-355. [all data]

Lebedev, Tsvetkova, et al., 1978
Lebedev, B.V.; Tsvetkova, L.Ya.; Rabinovich, I.B.; Finkel'shtein, E.Sh.; Strel'chik, B.S., Thermodynamic characteristics of methylenecyclobutane, Termodin. Org. Soedin., 1978, (7), 3-7. [all data]

Lebedev, Tsvetkova, et al., 1978, 2
Lebedev, B.V.; Tsvetkova, L.Ya.; Rabinovich, I.B., Thermodynamics of methylenecyclobutane, J. Chem. Thermodyn., 1978, 10, 809-815. [all data]

Lebedev, Lebedev, et al., 1975
Lebedev, B.V.; Lebedev, N.K.; Kiparisova, Y.G.; Tsvetkova, L.Ya.; Rabinovich, I.B., Thermodynamics of methylenecyclobutane and 1,5-cyclooctadiene, Quatrieme Conference International de Thermodynamique Chimique, 1975, II, Thermophysique (capacites thermiques) pp. [all data]


Notes

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