3-Hexene, (E)-

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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
Δfgas-11.8 ± 0.24kcal/molChydRogers, Crooks, et al., 1987Value computed using ΔfHliquid° from Rogers, Crooks, et al., 1987 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993.
Δfgas-11.8 ± 0.26kcal/molChydRogers and Crooks, 1983Value computed using ΔfHliquid° from Rogers and Crooks, 1983 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993.
Δfgas-12.3kcal/molN/AWiberg and Wasserman, 1981Value 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.
Δfgas-12.1 ± 0.2kcal/molEqkWiberg and Wasserman, 1981Value computed using ΔfHliquid° from Wiberg and Wasserman, 1981 and ΔvapH° value of 7.53 kcal/mol from Steele and Chirico, 1993.
Δfgas-13.7 ± 0.43kcal/molChydRogers, Papadimetriou, et al., 1975Value 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

3-Hexene, (E)- + Hydrogen = n-Hexane

By formula: C6H12 + H2 = C6H14

Quantity Value Units Method Reference Comment
Δr-28.18 ± 0.17kcal/molChydRogers, Crooks, et al., 1987liquid phase
Δr-28.18 ± 0.20kcal/molChydRogers and Crooks, 1983liquid phase; solvent: Hexane
Δr-26.24 ± 0.41kcal/molChydRogers, Papadimetriou, et al., 1975liquid phase; solvent: Hexane

1-Hexene = 3-Hexene, (E)-

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Δr-2.336 ± 0.037kcal/molEqkWiberg and Wasserman, 1981liquid phase; Trifluoroacetolysis
Δr-3.27 ± 0.23kcal/molCisoBartolo and Rossini, 1960liquid phase; Calculated from ΔHc

3-Hexene, (E)- + Trifluoroacetic acid = Acetic acid, 2,2,2-trifluoro-, 1-methylpentyl ester

By formula: C6H12 + C2HF3O2 = C8H13F3O2

Quantity Value Units Method Reference Comment
Δr-9.775 ± 0.031kcal/molEqkWiberg and Wasserman, 1981liquid 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 ± 0.02PEAshmore and Burgess, 1978LLK
8.97EILossing and Traeger, 1975LLK
8.965 ± 0.005PEMasclet, Grosjean, et al., 1973LLK
8.95 ± 0.01PIDemeo and El-Sayed, 1970RDSH
9.14 ± 0.01PEKrause, Taylor, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H9+8.97CH3EILossing and Traeger, 1975, 2LLK
C5H9+≤10.39CH3EILossing and Traeger, 1975LLK

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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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

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References

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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

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