Cyclohexene, 1-ethyl-
- Formula: C8H14
- Molecular weight: 110.1968
- IUPAC Standard InChIKey: IFVMAGPISVKRAR-UHFFFAOYSA-N
- CAS Registry Number: 1453-24-3
- 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: 1-Ethylcyclohexene; 1-Ethylcyclohexene-1
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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: Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -15.2 | kcal/mol | N/A | Labbauf and Rossini, 1961 | Value computed using ΔfHliquid° value of -106.8±1 kj/mol from Labbauf and Rossini, 1961 and ΔvapH° value of 43.22 kj/mol from missing citation. |
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 |
---|---|---|---|---|---|
ΔfH°liquid | -25.53 ± 0.25 | kcal/mol | Ccb | Labbauf and Rossini, 1961 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1205.11 ± 0.23 | kcal/mol | Ccb | Labbauf and Rossini, 1961 | Corresponding ΔfHºliquid = -25.50 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 409. ± 2. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 163.150 | K | N/A | Streiff, Schultz, et al., 1957 | Uncertainty assigned by TRC = 0.06 K; TRC |
Tfus | 163.160 | K | N/A | Streiff, Schultz, et al., 1957 | Uncertainty assigned by TRC = 0.04 K; TRC |
Tfus | 163.190 | K | N/A | Streiff, Schultz, et al., 1957 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.33 | kcal/mol | V | Camin and Rossini, 1960 | ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.35 | 368. | A | Stephenson and Malanowski, 1987 | Based on data from 353. to 412. K.; AC |
9.58 | 347. | MM | Camin and Rossini, 1960, 2 | Based on data from 332. to 411. K.; AC |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: H2 + C8H14 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -25.08 ± 0.13 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid |
ΔrH° | -25.08 ± 0.13 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid |
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
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.48 ± 0.01 | PE | Rang, Paldoia, et al., 1974 | LLK |
IR Spectrum
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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
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 |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | B. Derendyaev, Novosibirsk Institute of Organic Chemistry |
NIST MS number | 139463 |
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 |
---|---|---|---|---|---|
Packed | Squalane | 60. | 859. | Bogoslovsky, Anvaer, et al., 1978 | |
Packed | Squalane | 70. | 861. | Bogoslovsky, Anvaer, et al., 1978 | |
Packed | Squalane | 80. | 864. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 100. | 867. | Rang, Orav, et al., 1977 | Nitrogen or helium; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 860. | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Apiezon L | 100. | 895. | Eisen, Orav, et al., 1972 | Column length: 45. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 859.4 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 864.1 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 859. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 864. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 861. | Schomburg, 1966 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG 4000 | 100. | 1023. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 60. | 1005. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 80. | 1014. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 100. | 1023. | Rang, Orav, et al., 1977 | Nitrogen or Helium; Column length: 45. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 100. | 1022.7 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 60. | 1005.3 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 80. | 1013.9 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 100. | 1022.7 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 60. | 1005.3 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 80. | 1013.9 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 866. | Chupalov and Zenkevich, 1996 | N2, 3. K/min; Column length: 52. m; Column diameter: 0.26 mm; Tstart: 50. C; Tend: 220. C |
Capillary | SP-2100 | 860. | 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 | Squalane | 861. | Chen, 2008 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Labbauf and Rossini, 1961
Labbauf, A.; Rossini, F.D.,
Heats of combustion, formation, and hydrogenation of 14 selected cyclomonoolefin hydrocarbons,
J. Phys. Chem., 1961, 65, 476-480. [all data]
Streiff, Schultz, et al., 1957
Streiff, A.J.; Schultz, L.H.; Hulme, A.R.; Tucker, J.A.; Krouskop, N.C.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 20 API Standard API Research Hydrocarbons,
Anal. Chem., 1957, 29, 361. [all data]
Camin and Rossini, 1960
Camin, D.L.; Rossini, F.D.,
Physical properties of to selected C7 and C8 alkene hydrocarbons,
J. Chem. Eng. Data, 1960, 5, 368. [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]
Camin and Rossini, 1960, 2
Camin, D.L.; Rossini, F.D.,
Physical Properties of 16 Selected C 7 and C 8 Alkene Hydrocarbons.,
J. Chem. Eng. Data, 1960, 5, 3, 368-372, https://doi.org/10.1021/je60007a037
. [all data]
Turner and Garner, 1958
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1958, 80, 1424-1430. [all data]
Turner and Garner, 1957
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1957, 80, 1424-1430. [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]
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]
Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N.,
Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines
in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [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]
Schomburg, 1966
Schomburg, G.,
Gaschromatographische Retentionsdaten und struktur chemischer verbindungen. III. Alkylverzweigte und ungesättigte cyclische Kohlenwasserstoffe,
J. Chromatogr., 1966, 23, 18-41, https://doi.org/10.1016/S0021-9673(01)98653-4
. [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]
Chupalov and Zenkevich, 1996
Chupalov, A.A.; Zenkevich, I.G.,
Chromatographic Characterization of Structural Transformations of Organic Compounds in Diels-Alder Reaction. Aliphatic Dienes and Dienophyls,
Zh. Org. Khim., 1996, 32, 6, 675-684. [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]
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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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