2-Norbornanone
- Formula: C7H10O
- Molecular weight: 110.1537
- IUPAC Standard InChIKey: KPMKEVXVVHNIEY-UHFFFAOYSA-N
- CAS Registry Number: 497-38-1
- 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: Bicyclo[2.2.1]heptan-2-one; Norbornan-2-one; Norcampher; Norcamphor; Bicyclo(2.2.1)-2-heptanone; Bicyclo[2.2.1]heptane-2-one; (±)-Bicyclo[2.2.1]heptan-2-one; 8,9,10-trinorbornan-2-one
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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 | -40.8 ± 1.2 | kcal/mol | Ccb | Steele, 1978 | Reanalyzed by Cox and Pilcher, 1970, Original value = -40.1 ± 0.8 kcal/mol |
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 | -51.76 ± 0.65 | kcal/mol | Ccb | Steele, 1978 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -948.17 ± 0.65 | kcal/mol | Ccb | Steele, 1978 | Corresponding ΔfHºsolid = -51.76 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -945.8 ± 1.0 | kcal/mol | Ccb | Becker and Roth, 1934 | Reanalyzed by Cox and Pilcher, 1970, Original value = -946.1 kcal/mol; Corresponding ΔfHºsolid = -54.13 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 443.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.0 | kcal/mol | GC | van Roon, Parsons, et al., 2002 | AC |
ΔvapH° | 12.3 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 343. to 383. K.; AC |
ΔvapH° | 11.9 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 343. to 383. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 11.7 ± 0.4 | kcal/mol | V | Steele, 1978 | ALS |
ΔsubH° | 11.7 ± 0.41 | kcal/mol | BG | Steele, 1978 | Based on data from 300. to 340. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.810 | 368.7 | Acree, 1993 | AC |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 202.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 194.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.9 | PE | Frost, Westwood, et al., 1980 | LLK |
9.17 ± 0.02 | PE | Frost, Westwood, et al., 1980 | Vertical value; LLK |
9.14 | PE | Hentrich, Gunkel, et al., 1974 | Vertical value; LLK |
8.94 ± 0.02 | PE | Chadwick, Frost, et al., 1971 | Vertical value; LLK |
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.
Steele, 1978
Steele, W.V.,
The standard enthalpies of formation of bicyclic compounds. IV. Bicyclo[2.2.1]heptan-2-one and bicyclo[2.2.1]heptan-7-one,
J. Chem. Thermodyn., 1978, 10, 585-590. [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]
Becker and Roth, 1934
Becker, G.; Roth, W.A.,
Verbrennungswarmen einiger cyclischer kohlenwasserstoffe,
Ber., 1934, 67, 627-632. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
van Roon, Parsons, et al., 2002
van Roon, André; Parsons, John R.; Govers, Harrie A.J.,
Gas chromatographic determination of vapour pressure and related thermodynamic properties of monoterpenes and biogenically related compounds,
Journal of Chromatography A, 2002, 955, 1, 105-115, https://doi.org/10.1016/S0021-9673(02)00200-5
. [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]
Acree, 1993
Acree, William E.,
Thermodynamic properties of organic compounds,
Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T
. [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]
Frost, Westwood, et al., 1980
Frost, D.C.; Westwood, N.P.C.; Werstiuk, N.H.,
Ultraviolet photoelectron spectra of 2-norbornanone, 2,5-norbornanedione. Their akyl derivatives and thio-analogues. An investigation of transannular interactions by photoelectron spectroscopy,
Can. J. Chem., 1980, 58, 1659. [all data]
Hentrich, Gunkel, et al., 1974
Hentrich, G.; Gunkel, E.; Klessinger, M.,
Photoelektronenspektren organischer verbindungen. 4. Photoelektronenspektren ungesattigter carbonylverbindungen,
J. Mol. Struct., 1974, 21, 231. [all data]
Chadwick, Frost, et al., 1971
Chadwick, D.; Frost, D.C.; Weiler, L.,
Photoelectron spectra of norbornanones and norbornenones,
J. Am. Chem. Soc., 1971, 93, 4962. [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 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 ΔfusH Enthalpy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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