Norbornane
- Formula: C7H12
- Molecular weight: 96.1702
- 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
The 3d structure may be viewed using Java or Javascript. - Other names: Bicyclo[2.2.1]heptane; Cyclohexane, 1,4-endo-methylene-; Norbornylane; Norcamphane; Norfenchane; Norsantane; 1,4-Endomethylenecyclohexane
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Gas phase thermochemistry data
Go To: Top, IR Spectrum, Gas Chromatography, 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
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -54.9 ± 1.1 | kJ/mol | Ccb | An, Zhu, et al., 1987 | ALS |
ΔfH°gas | -54.7 ± 4.7 | kJ/mol | Ccb | Steele, 1978 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -61.6 ± 3.4 kJ/mol; ALS |
ΔfH°gas | -52.0 | kJ/mol | N/A | Boyd, Sanwal, et al., 1971 | Value computed using ΔfHsolid° value of -92.1±2.2 kj/mol from Boyd, Sanwal, et al., 1971 and ΔsubH° value of 40.1 kj/mol from An, Zhu, et al., 1987.; DRB |
ΔfH°gas | -52.0 | kJ/mol | N/A | Bedford, Beezer, et al., 1963 | Value computed using ΔfHsolid° value of -92.1±2.7 kj/mol from Bedford, Beezer, et al., 1963 and ΔsubH° value of 40.1 kj/mol from An, Zhu, et al., 1987.; DRB |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
120.08 | 298.15 | Walsh R., 1975 | Selected value of S(298.15 K) is in good agreement with that calculated by force field method [ Boyd R.H., 1971, Lenz T.G., 1989]. Discrepancy with S(500 K) [ Boyd R.H., 1971] amounts to 8.9 J/mol*K. Discrepancies between Cp(T) values calculated by [ Boyd R.H., 1971] and given here amount to 10.7-12.7 J/mol*K in the temperature range 298.15-500 K.; GT |
121.00 | 300. | ||
169.62 | 400. | ||
211.21 | 500. | ||
245.14 | 600. | ||
272.92 | 700. | ||
296.06 | 800. | ||
315.56 | 900. | ||
332.17 | 1000. |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, 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
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
Gas Chromatography
Go To: Top, Gas phase thermochemistry 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 50. | 748.7 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 752.9 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 40. | 745.2 | Stopp, Engewald, et al., 1978 | Column length: 70. m; Column diameter: 0.23 mm |
Packed | SE-30 | 140. | 748. | Heintz, Gruselle, et al., 1976 | Chromosorb W (60-80 mesh); Column length: 2. m |
Packed | Squalane | 27. | 742. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 747. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 754. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 759. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 150. | 777. | Schomburg, 1964 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 140. | 860. | Heintz, Gruselle, et al., 1976 | Chromosorb W (60-80 mesh); Column length: 2. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 756.3 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
An, Zhu, et al., 1987
An, X-W.; Zhu, H-P.; Hu, R-H.,
Heats of combustion and formation of norbornane,
Thermochim. Acta, 1987, 121, 473-477. [all data]
Steele, 1978
Steele, W.V.,
The standard enthalpies of formation of a series of C7, bridged-ring hydrocarbons: norbornane, norbornene, nortricyclene, norbornadiene, and quadricyclane,
J. Chem. Thermodyn., 1978, 10, 919-927. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [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]
Bedford, Beezer, et al., 1963
Bedford, A.F.; Beezer, A.E.; Mortimer, C.T.; Springall, H.D.,
Heats of combustion and molecular structure. Part IX. Bicylo[2,2,1]heptane, 7-oxabicyclo[2,2,1]heptane, and exo- and endo-2-methyl-7-oxabicyclo[2,2,1]heptane,
J. Chem. Soc., 1963, 3823-3828. [all data]
Walsh R., 1975
Walsh R.,
The enthalpy of formation of bicyclo[2.2.1]hepta-2,5-diene. Thermodynamic functions of bicyclo[2.2.1]heptane and bicyclo[2.2.1]hepta-2,5-diene,
J. Chem. Thermodyn., 1975, 7, 149-154. [all data]
Boyd R.H., 1971
Boyd R.H.,
The thermochemistry, thermodynamic functions, and molecular structures of some cyclic hydrocarbons,
J. Phys. Chem., 1971, 75, 1264-1271. [all data]
Lenz T.G., 1989
Lenz T.G.,
Force-field calculations giving accurate conformation, Hf(T), S(T), and Cp(T) for unsaturated acyclic and cyclic hydrocarbons,
J. Phys. Chem., 1989, 93, 1588-1592. [all data]
Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A.,
Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane,
Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 2, 135-142, https://doi.org/10.1021/i360070a012
. [all data]
Stopp, Engewald, et al., 1978
Stopp, I.; Engewald, W.; Kühn, H.; Welsch, Th.,
Molekülstruktur und retentionsverhalten. VIII. Zum gaschromatographischen retentionsverhalten von dicyclopentadienderivaten,
J. Chromatogr., 1978, 147, 21-30, https://doi.org/10.1016/S0021-9673(00)85113-4
. [all data]
Heintz, Gruselle, et al., 1976
Heintz, M.; Gruselle, M.; Druilhe, A.; Lefort, D.,
Relations entre structure chimique et données de rétention en chromatographie en phase gaseuse. VI. Alcools et esters méthyliques de structures cycliques,
Chromatographia, 1976, 9, 8, 367-372, https://doi.org/10.1007/BF02330385
. [all data]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Schomburg, 1964
Schomburg, G.,
Gas-Chromatographische Retentionsdaten und Struktur Chemischer Verbindungen. I. Verzweigte Aliphatische und Alicyclische Carbonsäure-Methylester,
J. Chromatogr., 1964, 14, 157-177, https://doi.org/10.1016/S0021-9673(00)86608-X
. [all data]
Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J.,
Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere,
Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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