Bicyclo[2.2.2]octane
- Formula: C8H14
- Molecular weight: 110.1968
- IUPAC Standard InChIKey: GPRLTFBKWDERLU-UHFFFAOYSA-N
- CAS Registry Number: 280-33-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Cyclohexane, 1,4-endo-(1,2-ethanediyl)-; 1,4-Endoethylenecyclohexane
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -99.04 ± 0.96 | kJ/mol | Ccr | Wong and Westrum, 1971 | see also Boyd, Sanwal, et al., 1971, See Westrum and Wong, 1967; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 324.7 ± 2.5 | J/mol*K | N/A | Boyd R.H., 1971 | GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
81.92 | 200. | Boyd R.H., 1971 | Selected values were obtained by force field calculation. One can expect the uncertainty in S(500 K) and Cp(T) values to be about 10 J/mol*K if compare with the authors' results for bicyclo[2.2.1]heptane.; GT |
129.62 | 298.15 | ||
130.58 | 300. | ||
183.05 | 400. | ||
231.25 | 500. |
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
By formula: 2H2 + C8H10 = C8H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -235.2 ± 0.42 | kJ/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid |
By formula: H2 + C8H12 = C8H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -118.2 ± 0.84 | kJ/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid |
By formula: 3H2 + C8H8 = C8H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -392.4 ± 1.3 | kJ/mol | Chyd | Turner, 1964 | liquid phase; solvent: Acetic acid |
Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.47 ± 0.04 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.43 | S | Raymonda, 1972 | LLK |
9.45 ± 0.02 | PE | Raymonda, 1972 | LLK |
9.53 | PE | Bodor, Dewar, et al., 1970 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wong and Westrum, 1971
Wong, S.S.; Westrum, E.F., Jr.,
Enthalpies of formation of globular molecules. II. Three bicyclooctanes and two bicyclononanes,
J. Am. Chem. Soc., 1971, 93, 5317-5321. [all data]
Boyd, Sanwal, et al., 1971
Boyd, R.H.; Sanwal, S.N.; Shary-Tehrany, S.; McNally, D.,
The thermochemistry, thermodynamic functions, and molecular structures of some cyclic hydrocarbons,
J. Phys. Chem., 1971, 75, 1264-1271. [all data]
Westrum and Wong, 1967
Westrum, E.F., Jr.; Wong, S.,
Strain energies and thermal properties of globular and polynuclear aromatic molecules,
AEC Rept. Coo-1149-92, Contract AT(11-1)-1149, 1967, 1-7. [all data]
Boyd R.H., 1971
Boyd R.H.,
The thermochemistry, thermodynamic functions, and molecular structures of some cyclic hydrocarbons,
J. Phys. Chem., 1971, 75, 1264-1271. [all data]
Turner, Meador, et al., 1957
Turner, R.B.; Meador, W.R.; Winkler, R.E.,
Heats of hydrogenation. I. Apparatus and the heats of hydrogenation of bicyclo[2,2,1]heptene, bicyclo[2,2,1]heptadiene, bicyclo[2,2,2]octene and bicyclo[2,2,2]octadiene,
J. Am. Chem. Soc., 1957, 79, 4116-4121. [all data]
Turner, 1964
Turner, R.B.,
Heat of Hydrogenation of Bicyclo[2.2.2]octa-2,5,7-triene,
J. Am. Chem. Soc., 1964, 86, 3586-3587. [all data]
Raymonda, 1972
Raymonda, J.W.,
Rydberg states in cyclic alkanes,
J. Chem. Phys., 1972, 56, 3912. [all data]
Bodor, Dewar, et al., 1970
Bodor, N.; Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. III. Ionization potentials of some cyclic hydrocarbons and their derivatives, and heats of formation and ionization potentials calculated by the MINDO SCF MO method,
J. Am. Chem. Soc., 1970, 92, 19. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas IE (evaluated) Recommended ionization energy S°gas Entropy of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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