Cyclopentene, 3-ethyl-
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChIKey: HICUGGYRYZOXJI-UHFFFAOYSA-N
- CAS Registry Number: 694-35-9
- 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: 3-Ethyl-1-cyclopentene; 3-Ethylcyclopentene; 3-Ethylcyclopentene-1
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Gas phase thermochemistry data
Go To: Top, Phase change 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 | -2.97 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 |
Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 371. ± 1. | K | AVG | N/A | Average of 10 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.72 | 303. | A | Stephenson and Malanowski, 1987 | Based on data from 288. to 435. K. See also Kkykj and Repas, 1973.; AC |
Gas Chromatography
Go To: Top, Gas 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 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 | DB-1 | 40. | 716. | Lubeck and Sutton, 1984 | 60. m/0.264 mm/0.25 μm, H2 |
Capillary | HP-PONA | 40. | 717. | Lubeck and Sutton, 1984 | 50. m/0.21 mm/0.5 μm, H2 |
Capillary | Squalane | 50. | 712.4 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 716.6 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 27. | 709. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 30. | 712. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 50. | 714. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 60. | 715. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 67. | 716. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 70. | 716. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 86. | 720. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 100. | 722. | Rang, Orav, et al., 1977 | Nitrogen or helium; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 712. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 716. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Apiezon L | 100. | 743. | Eisen, Orav, et al., 1972 | Column length: 45. m; Column diameter: 0.25 mm |
Capillary | Apiezon L | 120. | 748. | Eisen, Orav, et al., 1972 | Column length: 45. m; Column diameter: 0.25 mm |
Capillary | Squalane | 30. | 712.9 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 715.3 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 718.7 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 30. | 713. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 715. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 719. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Packed | Squalane | 27. | 710. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 714. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 716. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 720. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG 4000 | 100. | 849. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 60. | 836. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 80. | 843. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 100. | 849. | Rang, Orav, et al., 1977 | Nitrogen or Helium; Column length: 45. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 100. | 849.2 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 60. | 836.5 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 80. | 842.8 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 100. | 849.2 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 60. | 836.5 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 80. | 842.8 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Methyl Silicone | 50. | 712. | N/A | N2; Column length: 74.6 m; Column diameter: 0.28 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 715. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | PONA | 718. | Zhang, Ding, et al., 2009 | 50. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 715. | Chen, 2008 | Program: not specified |
References
Go To: Top, Gas 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.
Allinger, Dodziuk, et al., 1982
Allinger, N.L.; Dodziuk, H.; Rogers, D.W.; Naik, S.N.,
Heats of hydrogenation and formation of some 5-membered ring compounds by molecular mechanics calculations and direct measurements,
Tetrahedron, 1982, 38, 1593-1597. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Kkykj and Repas, 1973
Kkykj, J.; Repas, M.,
Petrochemia, 1973, 13, 179. [all data]
Lubeck and Sutton, 1984
Lubeck, A.J.; Sutton, D.L.,
Kovats Retention Indices of Selected Olefins on Bonded Phase Fused Silica Capillaries,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1984, 7, 9, 542-544, https://doi.org/10.1002/jhrc.1240070913
. [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]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [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]
Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A.,
High precision capillary gas chromatography of hydrocarbons,
Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819
. [all data]
Eisen, Orav, et al., 1972
Eisen, O.; Orav, A.; Rang, S.,
Identifizierung von Normal-Alkenen, Cyclopentenen und -Hexenen mittels Kapillar-Gas-Chromatographie. Identification des alcènes, cyclopentènes et -hexènes à l'aide de la chromatogrpahie en phase gazeuse sur colonne capillaire,
Chromatographia, 1972, 5, 11, 229-239, https://doi.org/10.1007/BF02270600
. [all data]
Orav and Eisen, 1972
Orav, A.; Eisen, O.,
The retention indexes for alkenes, alkynes and cyclenes on capillary columns,
Izv. Akad. Nauk Est. SSR, Khim. Geol., 1972, 21, 1, 39-47. [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]
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]
Supelco, 2012
Supelco, CatalogNo. 24160-U,
Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]
Zhang, Ding, et al., 2009
Zhang, X.; Ding, L.; Sun, Z.; Song, L.; Sun, T.,
Study on quantitative structure-retention relationships for hydrocarbons in FCC gasoline,
Chromatographia, 2009, 70, 3/4, 511-518, https://doi.org/10.1365/s10337-009-1174-0
. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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