Cyclohexane, pentyl-
- Formula: C11H22
- Molecular weight: 154.2924
- IUPAC Standard InChIKey: HLTMUYBTNSVOFY-UHFFFAOYSA-N
- CAS Registry Number: 4292-92-6
- 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. - Species with the same structure:
- Other names: Cyclohexane, n-pentyl-; Pentane, 1-cyclohexyl-; Pentylcyclohexane; 1-Cyclohexylpentane; Amylcyclohexane; n-Amyl cyclohexane; n-Pentylcyclohexane
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Gas 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°gas | -55.88 ± 0.40 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 |
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 |
---|---|---|---|---|---|
ΔcH°liquid | -1730.18 ± 0.37 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | Corresponding ΔfHºliquid = -55.85 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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 477.0 | K | N/A | Smith and Pennekamp, 1945 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 474.8 | K | N/A | Signaigo and Cramer, 1933 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tboil | 469.4 | K | N/A | Stratford, 1929 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 472.15 | K | N/A | Bourguel, 1927 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.9 ± 0.3 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
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 | RTX-1 | 120. | 1139. | Arey J.S., Nelson R.K., et al., 2005 | 6. m/0.1 mm/0.4 μm |
Capillary | DB-1 | 140. | 1147. | Beens, Tijssen, et al., 1998 | 10. m/0.25 mm/0.25 μm, He |
Capillary | DB-1 | 60. | 1122. | Beens, Tijssen, et al., 1998 | 10. m/0.25 mm/0.25 μm, He |
Capillary | Squalane | 100. | 1137. | Rang, Orav, et al., 1977 | Nitrogen or helium; Column length: 100. m; Column diameter: 0.25 mm |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-54 | 1128. | Rembold, Wallner, et al., 1989 | 30. m/0.25 mm/0.25 μm, He, 0. C @ 12. min, 12. K/min; Tend: 250. C |
Capillary | OV-101 | 1130. | Ohnishi and Shibamoto, 1984 | 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Capillary | OV-101 | 1134. | Ohnishi and Shibamoto, 1984 | 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Capillary | Apiezon L | 1155. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-20M | 100. | 1299. | Rang, Orav, et al., 1988 | |
Capillary | PEG-20M | 110. | 1304. | Rang, Orav, et al., 1988 | |
Capillary | PEG-20M | 120. | 1309. | Rang, Orav, et al., 1988 | |
Capillary | PEG-20M | 130. | 1315. | Rang, Orav, et al., 1988 | |
Capillary | PEG-20M | 140. | 1320. | Rang, Orav, et al., 1988 | |
Capillary | PEG-20M | 80. | 1288. | Rang, Orav, et al., 1988 | |
Capillary | PEG-20M | 90. | 1293. | Rang, Orav, et al., 1988 |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1130.2 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1134.7 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1136.0 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-1 | 1121. | Beens, Tijssen, et al., 1998 | 10. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 30. C; Tend: 225. C |
Capillary | DB-5 | 1130.2 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1134.7 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1136. | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | Ultra-1 | 1126.52 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-1 | 1130.60 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-1 | 1133.26 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 1132.42 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 1136.64 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 1139.51 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | OV-101 | 1127. | Hayes and Pitzer, 1981 | 108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 1130. | Kotowska, Zalikowski, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium, 35. C @ 5. min, 3. K/min, 300. C @ 15. min |
Capillary | DB-5MS | 1136.9 | Shoenmakers, Oomen, et al., 2000 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 1. min, 3. K/min; Tend: 250. C |
Capillary | SP-2100 | 1122. | Alencar, Alves, et al., 1983 | He, 4. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 40. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 1130. | Kotowska, Zalikowski, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Smith and Pennekamp, 1945
Smith, H.A.; Pennekamp, E.F.H.,
The Catalytic Hydrogenation of the Benzene Nucleus II. The Hydrogenation of Benzene and Mono-alkylkbenzenes,
J. Am. Chem. Soc., 1945, 67, 276. [all data]
Signaigo and Cramer, 1933
Signaigo, F.K.; Cramer, P.L.,
The preparation of some mono- and dialkylcylohexanes,
J. Am. Chem. Soc., 1933, 55, 3326-32. [all data]
Stratford, 1929
Stratford, R.,
Ann. Off. Natl. Combust. Liq. (Fr.), 1929, 4, 83. [all data]
Bourguel, 1927
Bourguel, M.,
Bull. Soc. Chim. Fr., 1927, 41, 1475. [all data]
Arey J.S., Nelson R.K., et al., 2005
Arey J.S.; Nelson R.K.; Xu L.; Reddy C.M.,
Using comprehensive two-dimensional gas chromatography retention indices to estimate environmental partitioning properties for a complete set of diesel fuel hydrocarbons,
Anal. Chem., 2005, 77, 22, 7172-7182, https://doi.org/10.1021/ac051051n
. [all data]
Beens, Tijssen, et al., 1998
Beens, J.; Tijssen, R.; Blomberg, J.,
Prediction of comprehensive two-dimensional gas chromatographic separations. A theoretical and practical exercise,
J. Chromatogr. A, 1998, 822, 2, 233-251, https://doi.org/10.1016/S0021-9673(98)00649-9
. [all data]
Rang, Orav, et al., 1977
Rang, S.; Orav, A.; Kuningas, K.; Eisen, O.,
Capillary Gas Chromatography of Monosubstituted Cyclopentenes and Cyclohexenes,
Chromatographia, 1977, 10, 3, 115-122, https://doi.org/10.1007/BF02297862
. [all data]
Rembold, Wallner, et al., 1989
Rembold, H.; Wallner, P.; Nitz, S.; Kollmannsberger, H.; Drawert, F.,
Volatile components of chickpea (Cicer arietinum L.) seed,
J. Agric. Food Chem., 1989, 37, 3, 659-662, https://doi.org/10.1021/jf00087a018
. [all data]
Ohnishi and Shibamoto, 1984
Ohnishi, S.; Shibamoto, T.,
Volatile compounds from heated beef fat and beef fat with glycine,
J. Agric. Food Chem., 1984, 32, 5, 987-992, https://doi.org/10.1021/jf00125a008
. [all data]
Louis, 1971
Louis, R.,
Kovats-index-tafeln zur gaschromatographischen analyse von kohlenwasserstoffgemischen,
Erdoel Kohle Erdgas Petrochem., 1971, 24, 2, 88-94. [all data]
Rang, Orav, et al., 1988
Rang, S.A.; Orav, A.E.; Kuningas, K.R.; Meister, A.E.; Strense, T.V.; Eisen, O.G.,
Gas-Chromatographic Characteristics of unsaturated hydrocarbons, Academy of Sciences of Estonia SSR, Tallinn, Estonia SSR, 1988, 208. [all data]
Song, Lai, et al., 2003
Song, C.; Lai, W.-C.; Madhusudan Reddy, K.; Wei, B.,
Chapter 7. Temperature-programmed retention indices for GC and GC-MS of hydrocarbon fuels and simulated distillation GC of heavy oils
in Analytical advances for hydrocarbon research, Hsu,C.S., ed(s)., Kluwer Academic/Plenum Publishers, New York, 2003, 147-193. [all data]
Lai and Song, 1995
Lai, W.-C.; Song, C.,
Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels,
Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H
. [all data]
Haynes and Pitzer, 1985
Haynes, P.C., Jr.; Pitzer, E.W.,
Disengaging solutes in shale- and petroleum-derived jet fuels by altering GC programmed temperature rates,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1985, 8, 5, 230-242, https://doi.org/10.1002/jhrc.1240080504
. [all data]
Hayes and Pitzer, 1981
Hayes, P.C., Jr.; Pitzer, E.W.,
Kovats indices as a tool in characterizing hydrocarbon fuels in temperature programmed glass capillary gas chromatography. Part 1. Qualitative identification, Inhouse rpt. for Air Force Wright Aeronautical Labs., Air Force Wright Aeronautical Labs., Wright-Patterson AFB, Ohio, 1981, 75. [all data]
Kotowska, Zalikowski, et al., 2012
Kotowska, U.; Zalikowski, M.; Isidorov, V.A.,
HS-SPME/GC-MS analysis of volatile and semi-volatile organic compounds emitted from municipal sewage sludge,
Environ. Monit. Asses., 2012, 184, 5, 2893-2907, https://doi.org/10.1007/s10661-011-2158-8
. [all data]
Shoenmakers, Oomen, et al., 2000
Shoenmakers, P.J.; Oomen, J.L.M.M.; Blomberg, J.; Genuit, W.; van Velzen, G.,
Comparison of comprehensive two-dimensional gas chromatography and gas chromatography-mass spectrometry for the characterization of complex hydrocarbon mixtures,
J. Chromatogr. A, 2000, 892, 1-2, 29-46, https://doi.org/10.1016/S0021-9673(00)00744-5
. [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, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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