3-Hexene, (E)-
- Formula: C6H12
- Molecular weight: 84.1595
- IUPAC Standard InChIKey: ZQDPJFUHLCOCRG-AATRIKPKSA-N
- CAS Registry Number: 13269-52-8
- 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. - Stereoisomers:
- Other names: (E)-3-Hexene; trans-3-Hexene; (E)-3-C6H12; trans-hex-3-ene
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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 | -11.8 ± 0.24 | kcal/mol | Chyd | Rogers, Crooks, et al., 1987 | Value computed using ΔfHliquid° from Rogers, Crooks, et al., 1987 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993. |
ΔfH°gas | -11.8 ± 0.26 | kcal/mol | Chyd | Rogers and Crooks, 1983 | Value computed using ΔfHliquid° from Rogers and Crooks, 1983 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993. |
ΔfH°gas | -12.3 | kcal/mol | N/A | Wiberg and Wasserman, 1981 | Value computed using ΔfHliquid° value of -82.13±0.84 kj/mol from Wiberg and Wasserman, 1981 and ΔvapH° value of 30.7 kj/mol from alkenes correlation. |
ΔfH°gas | -12.1 ± 0.2 | kcal/mol | Eqk | Wiberg and Wasserman, 1981 | Value computed using ΔfHliquid° from Wiberg and Wasserman, 1981 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993. |
ΔfH°gas | -13.7 ± 0.43 | kcal/mol | Chyd | Rogers, Papadimetriou, et al., 1975 | Value computed using ΔfHliquid° from Rogers, Papadimetriou, et al., 1975 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993. |
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: C6H12 + H2 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -28.18 ± 0.17 | kcal/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
ΔrH° | -28.18 ± 0.20 | kcal/mol | Chyd | Rogers and Crooks, 1983 | liquid phase; solvent: Hexane |
ΔrH° | -26.24 ± 0.41 | kcal/mol | Chyd | Rogers, Papadimetriou, et al., 1975 | liquid phase; solvent: Hexane |
By formula: C6H12 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2.336 ± 0.037 | kcal/mol | Eqk | Wiberg and Wasserman, 1981 | liquid phase; Trifluoroacetolysis |
ΔrH° | -3.27 ± 0.23 | kcal/mol | Ciso | Bartolo and Rossini, 1960 | liquid phase; Calculated from ΔHc |
By formula: C6H12 + C2HF3O2 = C8H13F3O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -9.775 ± 0.031 | kcal/mol | Eqk | Wiberg and Wasserman, 1981 | liquid phase; Trifluoroacetolysis |
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6H12+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.83 ± 0.02 | PE | Ashmore and Burgess, 1978 | LLK |
8.97 | EI | Lossing and Traeger, 1975 | LLK |
8.965 ± 0.005 | PE | Masclet, Grosjean, et al., 1973 | LLK |
8.95 ± 0.01 | PI | Demeo and El-Sayed, 1970 | RDSH |
9.14 ± 0.01 | PE | Krause, Taylor, et al., 1978 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H9+ | 8.97 | CH3 | EI | Lossing and Traeger, 1975, 2 | LLK |
C5H9+ | ≤10.39 | CH3 | EI | Lossing and Traeger, 1975 | LLK |
Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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. |
---|---|
NIST MS number | 497 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K.,
Enthalpies of hydrogenation of the hexenes,
J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]
Steele and Chirico, 1993
Steele, W.V.; Chirico, R.D.,
Thermodynamic properties of alkenes (mono-olefins larger than C4),
J. Phys. Chem. Ref. Data, 1993, 22, 377-430. [all data]
Rogers and Crooks, 1983
Rogers, D.W.; Crooks, E.L.,
Enthalpies of hydrogenation of the isomers of n-hexene,
J. Chem. Thermodyn., 1983, 15, 1087-1092. [all data]
Wiberg and Wasserman, 1981
Wiberg, K.B.; Wasserman, D.J.,
Enthalpies of hydration of alkenes. 1. The n-hexenes,
J. Am. Chem. Soc., 1981, 103, 6563-6566. [all data]
Rogers, Papadimetriou, et al., 1975
Rogers, D.W.; Papadimetriou, P.M.; Siddiqui, N.A.,
An improved hydrogen microcalorimeter for use with large molecules,
Mikrochim. Acta, 1975, 2, 389-400. [all data]
Bartolo and Rossini, 1960
Bartolo, H.F.; Rossini, F.D.,
Heats of isomerization of the seventeen isomeric hexenes,
J. Phys. Chem., 1960, 64, 1685-1689. [all data]
Ashmore and Burgess, 1978
Ashmore, F.S.; Burgess, A.R.,
Photoelectron spectra of the unbranched C5-C7 alkenes, aldehydes and ketones,
J. Chem. Soc. Faraday Trans. 2, 1978, 74, 734. [all data]
Lossing and Traeger, 1975
Lossing, F.P.; Traeger, J.C.,
Stabilization in cyclopentadienyl, cyclopentenyl, and cyclopentyl cations,
J. Am. Chem. Soc., 1975, 97, 1579. [all data]
Masclet, Grosjean, et al., 1973
Masclet, P.; Grosjean, D.; Mouvier, G.,
Alkene ionization potentials. Part I. Quantitative determination of alkyl group structural effects,
J. Electron Spectrosc. Relat. Phenom., 1973, 2, 225. [all data]
Demeo and El-Sayed, 1970
Demeo, D.A.; El-Sayed, M.A.,
Ionization potential and structure of olefins,
J. Chem. Phys., 1970, 52, 2622. [all data]
Krause, Taylor, et al., 1978
Krause, D.A.; Taylor, J.W.; Fenske, R.F.,
An analysis of the effects of alkyl substituents on the ionization potentials of n-alkenes,
J. Am. Chem. Soc., 1978, 100, 718. [all data]
Lossing and Traeger, 1975, 2
Lossing, F.P.; Traeger, J.C.,
Free radicals by mass spectrometry XLVI. Heats of formation of C5H7 and C5H9 radicals and cations.,
J. Am. Chem. Soc., 1975, 19, 9. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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