(Z)-2-Heptene

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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-70.7kJ/molN/AWiberg, Wasserman, et al., 1984Value computed using ΔfHliquid° value of -105.9±0.63 kj/mol from Wiberg, Wasserman, et al., 1984 and ΔvapH° value of 35.2 kj/mol from alkenes correlation.
Δfgas-69.6 ± 0.7kJ/molEqkWiberg, Wasserman, et al., 1984Value computed using ΔfHliquid° from Wiberg, Wasserman, et al., 1984 and ΔvapH° value of 36.3 kJ/mol from Steele and Chirico, 1993.
Δfgas-69.9kJ/molN/AGood, 1976Value computed using ΔfHliquid° value of -105.1±0.92 kj/mol from Good, 1976 and ΔvapH° value of 35.2 kj/mol from alkenes correlation.
Δfgas-68.8 ± 1.0kJ/molCcbGood, 1976Value computed using ΔfHliquid° from Good, 1976 and ΔvapH° value of 36.3 kJ/mol from Steele and Chirico, 1993.

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
Δfliquid-105.9 ± 0.63kJ/molEqkWiberg, Wasserman, et al., 1984Trifluoroacetolysis, hrxn[kcal/mol]=-9.827±0.021
Δfliquid-105.1 ± 0.92kJ/molCcbGood, 1976 
Quantity Value Units Method Reference Comment
Δcliquid-4650.22 ± 0.79kJ/molCcbGood, 1976Corresponding Δfliquid = -105.1 kJ/mol (simple calculation by NIST; no Washburn corrections)

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

Hydrogen + (Z)-2-Heptene = Heptane

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Δr-115.6 ± 0.4kJ/molChydRogers and Dejroongruang, 1988liquid phase; solvent: Hydrocarbone

(Z)-2-Heptene = 2-Heptene, (E)-

By formula: C7H14 = C7H14

Quantity Value Units Method Reference Comment
Δr-4.kJ/molCisoStrohmeier and Rehder-Stirnweiss, 1970liquid phase; Isomerization over RhH(CO)(PPh3)3

1-Heptene = (Z)-2-Heptene

By formula: C7H14 = C7H14

Quantity Value Units Method Reference Comment
Δr-7.6 ± 0.1kJ/molEqkKabo, Andreevskii, et al., 1967gas phase; Heat of isomerization

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.

Wiberg, Wasserman, et al., 1984
Wiberg, K.B.; Wasserman, D.J.; Martin, E., Enthalpies of hydration of alkenes. 2. The n-heptenes and n-pentenes, J. Phys. Chem., 1984, 88, 3684-3688. [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]

Good, 1976
Good, W.D., The enthalpies of formation of five isomeric heptenes, J. Chem. Thermodyn., 1976, 8, 67-71. [all data]

Rogers and Dejroongruang, 1988
Rogers, D.W.; Dejroongruang, K., Enthalpies of hydrogenation of the n-heptenes and the methylhexenes, J. Chem. Thermodyn., 1988, 20, 675-680. [all data]

Strohmeier and Rehder-Stirnweiss, 1970
Strohmeier, W.; Rehder-Stirnweiss, W., Isomerization of heptene over RhH(CO)(PPh3)3, J. Organomet. Chem., 1970, 22, 27-28. [all data]

Kabo, Andreevskii, et al., 1967
Kabo, G.Ya.; Andreevskii, D.N.; Savinetskaya, G.A., Isomerization equilibrium of n-monochloroheptanes and n-heptenes, Neftekhimiya, 1967, 7, 364-368. [all data]


Notes

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