Cyclopentene, 3-ethyl-

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Phase change data

Go To: Top, Gas phase ion energetics 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
Tboil371. ± 1.KAVGN/AAverage of 10 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
36.5303.AStephenson and Malanowski, 1987Based on data from 288. to 435. K. See also Kkykj and Repas, 1973.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C7H12+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.88 ± 0.01PERang, Paldoia, et al., 1974LLK
8.91 ± 0.05PEMcAlduff, Caramella, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H11+10.50 ± 0.05HEIBlanchette, Holmes, et al., 1987LBLHLM

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

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Column type Active phase Temperature (C) I Reference Comment
CapillaryDB-140.716.Lubeck and Sutton, 198460. m/0.264 mm/0.25 μm, H2
CapillaryHP-PONA40.717.Lubeck and Sutton, 198450. m/0.21 mm/0.5 μm, H2
CapillarySqualane50.712.4Bajus, Veselý, et al., 1979Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.716.6Bajus, Veselý, et al., 1979Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane27.709.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane30.712.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane50.714.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane60.715.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane67.716.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane70.716.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane86.720.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane100.722.Rang, Orav, et al., 1977Nitrogen or helium; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane50.712.Rijks and Cramers, 1974N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.716.Rijks and Cramers, 1974N2; Column length: 100. m; Column diameter: 0.25 mm
CapillaryApiezon L100.743.Eisen, Orav, et al., 1972Column length: 45. m; Column diameter: 0.25 mm
CapillaryApiezon L120.748.Eisen, Orav, et al., 1972Column length: 45. m; Column diameter: 0.25 mm
CapillarySqualane30.712.9Eisen, Orav, et al., 1972Column length: 80. m; Column diameter: 0.25 mm
CapillarySqualane60.715.3Eisen, Orav, et al., 1972Column length: 80. m; Column diameter: 0.25 mm
CapillarySqualane80.718.7Eisen, Orav, et al., 1972Column length: 80. m; Column diameter: 0.25 mm
CapillarySqualane30.713.Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm
CapillarySqualane60.715.Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm
CapillarySqualane80.719.Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm
PackedSqualane27.710.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.714.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.716.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.720.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG 4000100.849.Rang, Orav, et al., 1988 
CapillaryPEG 400060.836.Rang, Orav, et al., 1988 
CapillaryPEG 400080.843.Rang, Orav, et al., 1988 
CapillaryPEG 4000100.849.Rang, Orav, et al., 1977Nitrogen or Helium; Column length: 45. m; Column diameter: 0.25 mm
CapillaryPolyethylene Glycol 4000100.849.2Eisen, Orav, et al., 1972Column length: 80. m; Column diameter: 0.25 mm
CapillaryPolyethylene Glycol 400060.836.5Eisen, Orav, et al., 1972Column length: 80. m; Column diameter: 0.25 mm
CapillaryPolyethylene Glycol 400080.842.8Eisen, Orav, et al., 1972Column length: 80. m; Column diameter: 0.25 mm
CapillaryPEG 4000100.849.2Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm
CapillaryPEG 400060.836.5Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm
CapillaryPEG 400080.842.8Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryMethyl Silicone50.712.N/AN2; Column length: 74.6 m; Column diameter: 0.28 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPetrocol DH715.Supelco, 2012100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min
CapillaryPONA718.Zhang, Ding, et al., 200950. 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

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Column type Active phase I Reference Comment
CapillarySqualane715.Chen, 2008Program: not specified

References

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Rang, Paldoia, et al., 1974
Rang, S.; Paldoia, P.; Talvari, A., Ionization potentials of unsaturated hydrocarbons. 2. Mono-substituted cyclopentenes and cyclohexenes, Eesti. NSV Tead. Akad. Toim., 1974, 354. [all data]

McAlduff, Caramella, et al., 1978
McAlduff, E.J.; Caramella, P.; Houk, K.N., Photoelectron spectra of 3-substituted cyclopentenes. Correlations between ionization potentials and cycloaddition regioselectivity, J. Am. Chem. Soc., 1978, 100, 105. [all data]

Blanchette, Holmes, et al., 1987
Blanchette, M.C.; Holmes, J.L.; Lossing, F.P., Characterizing the 2-norbornyl cation in the gas phase, J. Am. Chem. Soc., 1987, 109, 1392. [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

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