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.

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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil340.2 ± 0.7KAVGN/AAverage of 13 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus159.6 ± 0.7KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap7.55kcal/molN/AReid, 1972AC
Δvap7.54kcal/molVCamin and Rossini, 1956ALS
Δvap7.53kcal/molN/APennington, Scott, et al., 1956Based on data from 291. to 341. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.72293.AStephenson and Malanowski, 1987Based on data from 278. to 341. K.; 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
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

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [all data]

Camin and Rossini, 1956
Camin, D.L.; Rossini, F.D., Physical properties of the 17 isomeric hexenes of the API research series, J. Phys. Chem., 1956, 60, 1446. [all data]

Pennington, Scott, et al., 1956
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol, J. Am. Chem. Soc., 1956, 78, 3266-3272. [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]

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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