Reaction data
=
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
ΔrH° (kJ/mol) | Method | Reference | Comment |
---|---|---|---|
-4.34 ± 0.04 | Eqk | Kapteijn, Steen, et al., 1983 | gas phase; Between 250-823 K; ALS |
-4.18 ± 0.08 | Eqk | Akimoto, Sprung, et al., 1972 | gas phase; ALS |
-4.18 | Eqk | Meyer and Stroz, 1972 | gas phase; At 300 K; ALS |
-2.7 ± 0.4 | Eqk | Happel, Hnatow, et al., 1971 | gas phase; ALS |
-1.8 | Eqk | Maccoll and Ross, 1965 | gas phase; GC; ALS |
-5.0 ± 0.4 | Eqk | Golden, Egger, et al., 1964 | gas phase; ALS |
-3. | Ciso | Levanova and Andreevskii, 1964 | gas phase; At 420.3 K; ALS |
References
Go To: Top, Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.), Notes
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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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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