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
Δfgas-6.8 ± 0.5kcal/molCcbKozina, 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
Δfsolid-18.0 ± 0.5kcal/molCcbKozina, Bychikhina, et al., 1977 
Quantity Value Units Method Reference Comment
Δcsolid-1469.0 ± 0.5kcal/molCcbKozina, Bychikhina, et al., 1977Corresponding Δfsolid = -18.0 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase 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:
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
Tboil380. ± 100.KAVGN/AAverage of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus322. ± 8.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap10.7kcal/molGCHoskovec, Grygarová, et al., 2005Based on data from 313. to 413. K.; AC
Quantity Value Units Method Reference Comment
Δsub11.20 ± 0.13kcal/molCKozina, Bychikhina, et al., 1977ALS
Δsub11.2kcal/molN/AKozina, Bychikhina, et al., 1977DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
10.5335.AStephenson and Malanowski, 1987Based 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 433.74.732951893.487-33.855Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference
≤8.86PENesmeyanov, 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

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