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Cyclooctane

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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

Hydrogen + Cyclooctene, (Z)- = Cyclooctane

By formula: H2 + C8H14 = C8H16

Quantity Value Units Method Reference Comment
Deltar-24.3kcal/molChydDoering, Roth, et al., 1989liquid phase
Deltar-24.5 ± 0.2kcal/molChydRoth and Lennartz, 1980liquid phase; solvent: Cyclohexane
Deltar-23.04 ± 0.17kcal/molChydRogers, Von Voithenberg, et al., 1978liquid phase; solvent: Hexane
Deltar-23.0 ± 0.1kcal/molChydTurner and Meador, 1957liquid phase; solvent: Acetic acid
Deltar-23.28 ± 0.15kcal/molChydConn, Kistiakowsky, et al., 1939gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -23.53 ± 0.04 kcal/mol; At 355 K

Hydrogen + trans-Cyclooctene = Cyclooctane

By formula: H2 + C8H14 = C8H16

Quantity Value Units Method Reference Comment
Deltar-34.5 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase; see Doering, Roth, et al., 1989
Deltar-34.41 ± 0.43kcal/molChydRogers, Von Voithenberg, et al., 1978liquid phase; solvent: Hexane
Deltar-32.24 ± 0.21kcal/molChydTurner and Meador, 1957liquid phase; solvent: Acetic acid

3Hydrogen + 1,3,5-Cyclooctatriene = Cyclooctane

By formula: 3H2 + C8H10 = C8H16

Quantity Value Units Method Reference Comment
Deltar-76.39 ± 0.44kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Acetic acid
Deltar-72.36 ± 0.26kcal/molChydTurner, Meador, et al., 1957liquid phase; solvent: Acetic acid

2Hydrogen + Cyclooctyne = Cyclooctane

By formula: 2H2 + C8H12 = C8H16

Quantity Value Units Method Reference Comment
Deltar-69.6 ± 0.2kcal/molChydRoth, Hopf, et al., 1994liquid phase; solvent: Isooctane
Deltar-69.0kcal/molChydTurner, Jarrett, et al., 1973liquid phase; solvent: Acetic acid

1,5-Cyclooctadiene + 2Hydrogen = Cyclooctane

By formula: C8H12 + 2H2 = C8H16

Quantity Value Units Method Reference Comment
Deltar-55.0 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase
Deltar-53.68 ± 0.02kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

2Hydrogen + 1,3-Cyclooctadiene, (Z,Z)- = Cyclooctane

By formula: 2H2 + C8H12 = C8H16

Quantity Value Units Method Reference Comment
Deltar-49.8kcal/molChydRoth, Adamczak, et al., 1991liquid phase
Deltar-48.96 ± 0.08kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

1,4-Cyclooctadiene + 2Hydrogen = Cyclooctane

By formula: C8H12 + 2H2 = C8H16

Quantity Value Units Method Reference Comment
Deltar-52.09 ± 0.28kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

3Hydrogen + 1,3,6-Cyclooctatriene = Cyclooctane

By formula: 3H2 + C8H10 = C8H16

Quantity Value Units Method Reference Comment
Deltar-79.91 ± 0.17kcal/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid

4Hydrogen + 1,3,5,7-Cyclooctatetraene = Cyclooctane

By formula: 4H2 + C8H8 = C8H16

Quantity Value Units Method Reference Comment
Deltar-97.96 ± 0.05kcal/molChydTurner, Meador, et al., 1957liquid phase; solvent: Acetic acid

4Hydrogen + 1,5-Cyclooctadiyne = Cyclooctane

By formula: 4H2 + C8H8 = C8H16

Quantity Value Units Method Reference Comment
Deltar152.9 ± 0.3kcal/molChydRoth, Hopf, et al., 1994liquid phase; solvent: Isooctane

Hydrogen + Cyclooctene = Cyclooctane

By formula: H2 + C8H14 = C8H16

Quantity Value Units Method Reference Comment
Deltar-22.4 ± 0.3kcal/molChydRogers and McLafferty, 1971liquid phase; solvent: Acetic acid

2Hydrogen + 1,5-Cyclooctadiene, (E,E)- = Cyclooctane

By formula: 2H2 + C8H12 = C8H16

Quantity Value Units Method Reference Comment
Deltar-76.6 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase

2Hydrogen + (Z,E)-1,3-Cyclooctadiene = Cyclooctane

By formula: 2H2 + C8H12 = C8H16

Quantity Value Units Method Reference Comment
Deltar-64.7 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase

2Hydrogen + 1,5-Cyclooctadiene, (E,Z)- = Cyclooctane

By formula: 2H2 + C8H12 = C8H16

Quantity Value Units Method Reference Comment
Deltar-67.5 ± 0.1kcal/molChydRoth, Adamczak, et al., 1991liquid phase

References

Go To: Top, Reaction thermochemistry data, Notes

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

Doering, Roth, et al., 1989
Doering, W.E.; Roth, W.R.; Bauer, F.; Breuckmann, R.; Ebbrecht, T.; Herbold, M.; Schmidt, R.; Lennartz, H-W.; Lenoir, D.; Boese, R., Rotational barriers of strained olefines, Chem. Ber., 1989, 122, 1263-1266. [all data]

Roth and Lennartz, 1980
Roth, W.R.; Lennartz, H.W., Heats of hydrogenation. I. Determination of heats of hydrogenation with an isothermal titration calorimeter, Chem. Ber., 1980, 113, 1806-1817. [all data]

Rogers, Von Voithenberg, et al., 1978
Rogers, D.W.; Von Voithenberg, H.; Allinger, N.L., Heats of hydrogenation of the cis and trans isomers of cyclooctene, J. Org. Chem., 1978, 43, 360-361. [all data]

Turner and Meador, 1957
Turner, R.B.; Meador, W.R., Heats of hydrogenation. IV. Hydrogenation of some cis- and trans-cycloolefins, J. Am. Chem. Soc., 1957, 79, 4133-4136. [all data]

Conn, Kistiakowsky, et al., 1939
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A., Heats of organic reactions. VIII. Some further hydrogenations, including those of some acetylenes, J. Am. Chem. Soc., 1939, 61, 1868-1876. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]

Turner, Meador, et al., 1957
Turner, R.B.; Meador, W.R.; Doering, W.E.; Knox, L.H.; Mayer, J.R.; Wiley, D.W., Heats of hydrogenation. III. Hydrogenation of cycllooctatetraene and of some seven-membered non-benzenoid aromatic compounds, J. Am. Chem. Soc., 1957, 79, 4127-4133. [all data]

Roth, Hopf, et al., 1994
Roth, W.R.; Hopf, H.; Horn, C., Propargyl-Stabilisierungsenergie, Chem. Ber., 1994, 127, 1781-1795. [all data]

Turner, Jarrett, et al., 1973
Turner, R.B.; Jarrett, A.D.; Goebel, P.; Mallon, B.J., Heats of hydrogenation. 9. Cyclic acetylenes and some miscellaneous olefins, J. Am. Chem. Soc., 1973, 95, 790-792. [all data]

Rogers and McLafferty, 1971
Rogers, D.W.; McLafferty, F.J., A new hydrogen calorimeter. Heats of hydrogenation of allyl and vinyl unsaturation adjacent to a ring, Tetrahedron, 1971, 27, 3765-3775. [all data]


Notes

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