Camphene
- Formula: C10H16
- Molecular weight: 136.2340
- IUPAC Standard InChIKey: CRPUJAZIXJMDBK-UHFFFAOYSA-N
- CAS Registry Number: 79-92-5
- 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. - Stereoisomers:
- Other names: Bicyclo[2.2.1]heptane, 2,2-dimethyl-3-methylene-; 2,2-Dimethyl-3-methylenebicyclo[2.2.1]heptane; 2,2-Dimethyl-3-methylenenorbornane; 3,3-Dimethyl-2-methylenenorbornane; 3,3-Dimethyl-2-methylenenorcamphane; NA 9011; (-)-camphene
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -6.8 ± 0.5 | kcal/mol | Ccb | Kozina, Bychikhina, et al., 1977 |
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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -18.0 ± 0.5 | kcal/mol | Ccb | Kozina, Bychikhina, et al., 1977 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1469.0 ± 0.5 | kcal/mol | Ccb | Kozina, Bychikhina, et al., 1977 | Corresponding ΔfHºsolid = -18.0 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 380. ± 100. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 322. ± 8. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.7 | kcal/mol | GC | Hoskovec, Grygarová, et al., 2005 | Based on data from 313. to 413. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 11.20 ± 0.13 | kcal/mol | C | Kozina, Bychikhina, et al., 1977 | ALS |
ΔsubH° | 11.2 | kcal/mol | N/A | Kozina, Bychikhina, et al., 1977 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.5 | 335. | A | Stephenson and Malanowski, 1987 | Based on data from 320. to 434. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
320.4 to 433.7 | 4.73295 | 1893.487 | -33.855 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
≤8.86 | PE | Nesmeyanov, Baiden, et al., 1981 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.
Kozina, Bychikhina, et al., 1977
Kozina, M.P.; Bychikhina, L.V.; Gal'chenko, G.L.,
The enthalpies of combustion and formation of 2,2-dimethyl-3-methylene bicyclo[2,2,1]heptane and 7-methylenebicyclo[2,2,1]heptane,
Russ. J. Phys. Chem. (Engl. Transl.), 1977, 51, 1258-1259. [all data]
Hoskovec, Grygarová, et al., 2005
Hoskovec, Michal; Grygarová, Dana; Cvacka, Josef; Streinz, Ludvík; Zima, Jirí; Verevkin, Sergey P.; Koutek, Bohumír,
Determining the vapour pressures of plant volatiles from gas chromatographic retention data,
Journal of Chromatography A, 2005, 1083, 1-2, 161-172, https://doi.org/10.1016/j.chroma.2005.06.006
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Nesmeyanov, Baiden, et al., 1981
Nesmeyanov, A.N.; Baiden, V.N.; Chizhov, Y.V.; Timoshenko, M.M.; Nekrasov, Y.S.; Kritskaya, I.I.,
He(I) photoelectron investigation of functionally substituted camphene derivatives,
Dokl. Akad. Nauk SSSR, 1981, 256, 121. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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