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1,5-Cyclooctadiene

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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
Deltafgas57. ± 3.kJ/molCcbLebedev, Tsvetkova, et al., 1975Heat of formtion values corrected; Author's hf298_liquid=7.6±0.7 kcal/mol; ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
37.8650.Dorofeeva O.V., 1986The value of S(298.15 K) calculated by molecular mechanics method [ Ermer O., 1976] is about 2 J/mol*K lower than that selected here.; GT
53.37100.
71.48150.
91.78200.
125.92273.15
138.3 ± 6.0298.15
139.23300.
188.01400.
230.95500.
266.58600.
295.90700.
320.20800.
340.52900.
357.651000.
372.161100.
384.531200.
395.111300.
404.201400.
412.041500.

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
Deltafliquid24. ± 3.kJ/molCcbLebedev, Tsvetkova, et al., 1975Heat of formtion values corrected; Author's hf298_liquid=7.6±0.7 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-4887. ± 3.kJ/molCcbLebedev, Tsvetkova, et al., 1975Heat of formtion values corrected; Author's hf298_liquid=7.6±0.7 kcal/mol; Corresponding «DELTA»fliquid = 24. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid250.0J/mol*KN/ALebedev, Lebedev, et al., 1975DH
liquid264.3J/mol*KN/ALebedev, Tsvetkova, et al., 1975, 2DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
198.9298.15Lebedev, Lebedev, et al., 1975T = 6 to 320 K.; DH
208.1298.15Lebedev, Tsvetkova, et al., 1975, 2T = 10.6 to 322.7 K. Data deposited in VINITI, No. 1324-75, 15 May 1975.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed 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 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

1,5-Cyclooctadiene + 2Hydrogen = Cyclooctane

By formula: C8H12 + 2H2 = C8H16

Quantity Value Units Method Reference Comment
Deltar-230. ± 0.4kJ/molChydRoth, Adamczak, et al., 1991liquid phase
Deltar-224.6 ± 0.08kJ/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

1,5-Cyclooctadiene = 1,3-Cyclooctadiene, (Z,Z)-

By formula: C8H12 = C8H12

Quantity Value Units Method Reference Comment
Deltar-19.4 ± 0.9kJ/molEqkTaskinen and Nummelin, 1985liquid phase

1,5-Cyclooctadiene = 1,4-Cyclooctadiene, (Z,Z)-

By formula: C8H12 = C8H12

Quantity Value Units Method Reference Comment
Deltar-2.8 ± 0.8kJ/molEqkTaskinen and Nummelin, 1985liquid phase

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.

Lebedev, Tsvetkova, et al., 1975
Lebedev, B.V.; Tsvetkova, L.Ya.; Kiparisova, E.G.; Lebedev, N.K., Thermodynamic properties of cyclo-octa-1,5-diene, Russ. J. Phys. Chem. (Engl. Transl.), 1975, 49, 1265. [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]

Ermer O., 1976
Ermer O., Conformational interconversions of cis,cis-cyclooctadiene-1,5, J. Am. Chem. Soc., 1976, 98, 3964-3970. [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]

Lebedev, Tsvetkova, et al., 1975, 2
Lebedev, B.V.; Tsvetkova, L.Ya.; Kiparisova, Y.G.; Lebedev, N.K., Thermodynamic properties of cycloocta-1,5-diene, Zhur. Fiz. Khim., 1975, 49, 2152. [all data]

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]

Turner, Mallon, et al., 1973
Turner, R.B.; Mallon, B.J.; Tichy, M.; Doering, W.v.E.; Roth, W.R.; Schroder, G., Heats of hydrogenation. X. Conjugative interaction in cyclic dienes and trienes, J. Am. Chem. Soc., 1973, 95, 8605-8610. [all data]

Taskinen and Nummelin, 1985
Taskinen, E.; Nummelin, K., Relative thermodynamic stabilities of the isomeric cyclooctadienes, Acta Chem. Scand., Ser. B, 1985, 39, 791-792. [all data]


Notes

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