- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: UMRZSTCPUPJPOJ-UHFFFAOYSA-N
- CAS Registry Number: 279-23-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Bicyclo[2.2.1]heptane; Cyclohexane, 1,4-endo-methylene-; Norbornylane; Norcamphane; Norfenchane; Norsantane; 1,4-Endomethylenecyclohexane
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Phase change data
Go To: Top, 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, Kenneth Kroenlein 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.
|Tboil||381.||K||N/A||Desty and Whyman, 1957||Uncertainty assigned by TRC = 3. K; TRC|
|Tfus||360.||K||N/A||Burwell, Shim, et al., 1957||Uncertainty assigned by TRC = 2. K; TRC|
|Tfus||360.9||K||N/A||Birch and Dean, 1954||Uncertainty assigned by TRC = 1.5 K; TRC|
|subH°||41. ± 5.||kJ/mol||AVG||N/A||Average of 8 values; Individual data points|
Enthalpy of sublimation
|subH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|40.3 ± 0.4||293.||GS||Verevkin and Emel'yanenko, 2004||Based on data from 278. - 308. K.; AC|
|40.0 ± 0.8||305.||TSGC||Clark, Knox, et al., 1975||Based on data from 284. - 326. K.; AC|
|40.1 ± 0.84||284.||V||Boyd, Sanwal, et al., 1971||ALS|
Enthalpy of fusion
|fusH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|4.45||360.8||DSC||Verevkin and Emel'yanenko, 2004||AC|
Go To: Top, Phase change data, Notes
Desty and Whyman, 1957
Desty, D.H.; Whyman, B.H.F., Anal. Chem., 1957, 29, 320. [all data]
Burwell, Shim, et al., 1957
Burwell, R.L.; Shim, B.K.C.; Rowlinson, H.C., The Exchange between Hydrocarbons and Deuterium on Plladium Catalysts, J. Am. Chem. Soc., 1957, 79, 5142. [all data]
Birch and Dean, 1954
Birch, S.F.; Dean, R.A., A Ring Clousre Reaction by Desulfurization with Raney Nickel, Justus Liebigs Ann. Chem., 1954, 585, 234. [all data]
Verevkin and Emel'yanenko, 2004
Verevkin, Sergey P.; Emel'yanenko, Vladimir N., Enthalpy of Formation and Strain of Norbornane from Thermochemical Measurements and from ab Initio Calculations, J. Phys. Chem. A, 2004, 108, 31, 6575-6580, https://doi.org/10.1021/jp0490554 . [all data]
Clark, Knox, et al., 1975
Clark, Timothy; Knox, Trevor; Mackle, Henry; McKervey, M. Anthony; Rooney, John J., Heats of sublimation of some cage hydrocarbons by a temperature scanning technique, J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 2107, https://doi.org/10.1039/f19757102107 . [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]
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point fusH Enthalpy of fusion subH Enthalpy of sublimation subH° Enthalpy of sublimation at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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