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Reaction data

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


Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.)

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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

DeltarH° (kcal/mol) Method Reference Comment
-1.04 ± 0.01EqkKapteijn, Steen, et al., 1983gas phase; Between 250-823 K; ALS
-1.00 ± 0.02EqkAkimoto, Sprung, et al., 1972gas phase; ALS
-1.00EqkMeyer and Stroz, 1972gas phase; At 300 K; ALS
-0.65 ± 0.09EqkHappel, Hnatow, et al., 1971gas phase; ALS
-0.44EqkMaccoll and Ross, 1965gas phase; GC; ALS
-1.2 ± 0.1EqkGolden, Egger, et al., 1964gas phase; ALS
-0.8CisoLevanova and Andreevskii, 1964gas phase; At 420.3 K; ALS

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.

Kapteijn, Steen, et al., 1983
Kapteijn, F.; Steen, A.J.; Mol, J.C., Thermodynamics of the geometrical isomerization of 2-butene and 2-pentene, J. Chem. Thermodyn., 1983, 15, 137-146. [all data]

Akimoto, Sprung, et al., 1972
Akimoto, H.; Sprung, J.L.; Pitts, J.N., Jr., Nitrogen dioxide catalyzed geometric isomerization of 2-butene and 2-pentene. A precise method for determining the enthalpies and entropies of geometric isomerizations, J. Am. Chem. Soc., 1972, 94, 4850-4855. [all data]

Meyer and Stroz, 1972
Meyer, E.F.; Stroz, D.G., Thermodynamics of n-butene isomerization, J. Am. Chem. Soc., 1972, 94, 6344-6347. [all data]

Happel, Hnatow, et al., 1971
Happel, J.; Hnatow, M.A.; Mezaki, R., Isomerization equilibrium constants of n-butenes, J. Chem. Eng. Data, 1971, 16, 206-209. [all data]

Maccoll and Ross, 1965
Maccoll, A.; Ross, R.A., The hydrogen bromide catalyzed isomerization of n-butenes. I. equilibrium values, J. Am. Chem. Soc., 1965, 87, 1169-1170. [all data]

Golden, Egger, et al., 1964
Golden, D.M.; Egger, K.W.; Benson, S.W., Iodine-catalyzed isomerization of olefins. I. Thermodynamics data from equilibrium studies of positional and geometrical isomerization of 1-butene and 2-butene, J. Am. Chem. Soc., 1964, 86, 5416-5420. [all data]

Levanova and Andreevskii, 1964
Levanova, S.V.; Andreevskii, D.N., The equilibrium of 2-chlorobutane dehydrochlorination, Neftekhimiya, 1964, 4, 329-336. [all data]


Notes

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