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Camphor

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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
Deltafgas-267. ± 3.kJ/molCcbSteele, 1977 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafsolid-319. ± 3.kJ/molCcbSteele, 1977ALS
Deltafsolid-399. ± 66.kJ/molCcbDelafontaine, Sabbah, et al., 1973%hf298 calculated possible error by the authors; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-5902. ± 3.kJ/molCcbSteele, 1977Corresponding «DELTA»fsolid = -319. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-5822. ± 66.kJ/molCcbDelafontaine, Sabbah, et al., 1973%hf298 calculated possible error by the authors; Corresponding «DELTA»fsolid = -400. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-5891.2kJ/molCcbShchukarev and Shchukareva, 1932Corresponding «DELTA»fsolid = -330.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-5898.6 ± 3.8kJ/molCcbSwietoslawski and Bobinska, 1929Corresponding «DELTA»fsolid = -323. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-5910.7kJ/molCcbRoth and Ostling, 1913Corresponding «DELTA»fsolid = -311. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
271.2298.1Frandsen, 1931T = 307 to 483 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil482.3KN/ALecat, 1947Uncertainty assigned by TRC = 1. K; TRC
Tboil482.25KN/ALecat, 1943Uncertainty assigned by TRC = 0.3 K; TRC
Tboil482.25KN/ALecat, 1943, 2Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus449.KN/AMjojo, 1979Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC
Tfus451.5KN/AFrandsen, 1931, 2Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Deltavap54.4kJ/molCGCChickos, Hosseini, et al., 1995Based on data from 343. - 383. K.; AC
Deltavap54.5kJ/molCGCChickos, Hosseini, et al., 1995Based on data from 343. - 383. K.; AC
Deltavap55.2kJ/molCGCChickos, Hosseini, et al., 1995Based on data from 343. - 383. K.; AC
Quantity Value Units Method Reference Comment
Deltasub51.9 ± 0.8kJ/molVSteele, 1977ALS

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
451.20 - 505.503.309671096.291-148.579de Wilde, 1937Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
51.5 ± 2.6283.HSAChickos, 1975Based on data from 273. - 293. K.; AC
53.6363.N/AJones, 1960Based on data from 273. - 453. K.; AC
54.7301.N/ASherwood and Bryant, 1957Based on data from 285. - 318. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
6.820451.5Frandsen, 1931DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
15.10451.5Frandsen, 1931DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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

1,7,7-Trimethyl-2-norbornanone dimethyl ketal + Water = 2Methyl Alcohol + Camphor

By formula: C12H22O2 + H2O = 2CH4O + C10H16O

Quantity Value Units Method Reference Comment
Deltar7.73 ± 0.36kJ/molCmWiberg and Cunningham, 1990liquid phase; Heat of hydrolysis

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)859.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity827.3kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.76 ± 0.03PIVilesov, 1960RDSH

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: Timothy J. Johnson, Tanya L. Myers, Yin-Fong Su, Russell G. Tonkyn, Molly Rose K. Kelly-Gorham, and Tyler O. Danby


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 151971

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Steele, 1977
Steele, W.V., The standard enthalpies of formation of bicyclic compounds. III. 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one, J. Chem. Thermodyn., 1977, 9, 311-314. [all data]

Delafontaine, Sabbah, et al., 1973
Delafontaine, J.; Sabbah, R.; Laffitte, M., Mesures microcalorimetriques des enthalpies de reference de formation (a l'etat condense) de composes volatils - mise au point de la technique, Z. Phys. Chem. (Neue Folge), 1973, 84, 157-172. [all data]

Shchukarev and Shchukareva, 1932
Shchukarev, A.N.; Shchukareva, L.A., Heat standards, Russ. J. Phys. Chem. (Engl. Transl.), 1932, 3, 169-174. [all data]

Swietoslawski and Bobinska, 1929
Swietoslawski, M.W.; Bobinska, M.J., O cieple spalania kamfory, azobenzenu i hydrazobenzenu - Sur la chaleur de combustion du comphre, de l'hydrazobenzene, Rocz. Chem., 1929, 9, 723-730. [all data]

Roth and Ostling, 1913
Roth, W.A.; Ostling, G.J., Thermochemische Untersuchungen in der alicyclischen Reihe, Ber., 1913, 46, 309-327. [all data]

Frandsen, 1931
Frandsen, M., Cryoscopic constant, heat of fusion, and heat capacity of camphor, Bur. Stand. J. Res., 1931, 7, 477-483. [all data]

Lecat, 1947
Lecat, M., Orthobaric Azeotropes of Sulfides, Bull. Cl. Sci., Acad. R. Belg., 1947, 33, 160-82. [all data]

Lecat, 1943
Lecat, M., Negative and other Azeotropes, C. R. Hebd. Seances Acad. Sci., 1943, 217, 242. [all data]

Lecat, 1943, 2
Lecat, M., Azeotropes of Ethyl Urethane and other Azeotropes, C. R. Hebd. Seances Acad. Sci., 1943, 217, 273. [all data]

Mjojo, 1979
Mjojo, C.C., Order-disorder phenomena: part 2. order-disorder phase equilibria in d-and l-systems of camphor and related compounds., J. Chem. Soc., Faraday Trans. 2, 1979, 75, 692-703. [all data]

Frandsen, 1931, 2
Frandsen, M., Cryoscopic constant, heat of fusion, and heat capacity of camphor, Bur. Stand. J. Res., 1931, 1931, 7 477. [all data]

Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G., Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times, Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3 . [all data]

de Wilde, 1937
de Wilde, J.H., «65533»ber die Dampfdrucke des Kampfers, Z. Anorg. Allg. Chem., 1937, 233, 4, 411-414, https://doi.org/10.1002/zaac.19372330408 . [all data]

Chickos, 1975
Chickos, James Speros, A simple equilibrium method for determining heats of sublimation, J. Chem. Educ., 1975, 52, 2, 134-39, https://doi.org/10.1021/ed052p134 . [all data]

Jones, 1960
Jones, A.H., Sublimation Pressure Data for Organic Compounds., J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019 . [all data]

Sherwood and Bryant, 1957
Sherwood, T.K.; Bryant, J.H., Jr., Can. J. Chem. Eng., 1957, 35, 51. [all data]

Wiberg and Cunningham, 1990
Wiberg, K.B.; Cunningham, W.C., Jr., Thermochemical studies of carbonyl reactions. 4. Enthalpies of hydrolysis of norbornyl ketals, J. Org. Chem., 1990, 55, 679-684. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Vilesov, 1960
Vilesov, F.I., The photoionization of vapors of compounds whose molecules contain carbonyl groups, Dokl. Phys. Chem., 1960, 132, 521, In original 1332. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References