Cyclopentane, octyl-
- Formula: C13H26
- Molecular weight: 182.3455
- IUPAC Standard InChI: InChI=1S/C13H26/c1-2-3-4-5-6-7-10-13-11-8-9-12-13/h13H,2-12H2,1H3
- IUPAC Standard InChIKey: HARXDULSBROLME-UHFFFAOYSA-N
- CAS Registry Number: 1795-20-6
- 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: octylcyclopentane; n-Octylcyclopentane
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Gas phase thermochemistry data
Go To: Top, Condensed 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -250.7 ± 1.9 | kJ/mol | Ccb | Prosen, Johnson, et al., 1946 | Heat of combustion of the gas |
Condensed phase thermochemistry data
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔcH°liquid | -8580.8 ± 1.8 | kJ/mol | Ccb | Prosen, Johnson, et al., 1946 | Heat of combustion of the gas; Corresponding ΔfHºliquid = -250.6 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Gas Chromatography
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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: 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 | OV-1 | 100. | 1338.0 | Anders, Anders, et al., 1985 | 55. m/0.21 mm/0.35 μm, N2 |
| Packed | Methyl Silicone | 130. | 1340. | Antheaume and Guiochon, 1965 |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SP-2100 | 1337. | Alencar, Alves, et al., 1983 | He, 4. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 40. C; Tend: 250. C |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D.,
Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons,
J. Res. NBS, 1946, 37, 51-56. [all data]
Anders, Anders, et al., 1985
Anders, G.; Anders, K.; Engewald, W.,
Identification of non-branched alkenylcycloalkanes with a terminal double bond from retention index increments,
Chromatographia, 1985, 20, 2, 83-86, https://doi.org/10.1007/BF02280602
. [all data]
Antheaume and Guiochon, 1965
Antheaume, J.; Guiochon, G.,
Application de la chromatographie en phase gazeuse à l'étude de la composition des fractions moyennes d'un brut pétrolier,
Bull. Soc. Chim. Fr., 1965, 2, 298-307. [all data]
Alencar, Alves, et al., 1983
Alencar, J.W.; Alves, P.B.; Craveiro, A.A.,
Pyrolysis of tropical vegetable oils,
J. Agric. Food Chem., 1983, 31, 6, 1268-1270, https://doi.org/10.1021/jf00120a031
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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