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1-Pentene

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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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-22. ± 9.kJ/molAVGN/AAverage of 6 values; Individual data points

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
82.35200.Thermodynamics Research Center, 1997p=1 bar. Recommended values were calculated from data for lower alkenes by a method of increments. These values are in good agreement with experimental data. The results of the similar estimation [ Kilpatrick J.E., 1946] are in poor agreement with experiment.; GT
101.2273.15
108.2298.15
108.7300.
137.6400.
164.0500.
186.3600.
205.1700.
221.0800.
234.6900.
246.21000.
256.41100.
265.11200.
272.81300.
279.21400.
285.41500.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
112.34 ± 0.33311.09Scott D.W., 1949GT
126.15 ± 0.38357.51
139.08 ± 0.42402.32
148.41 ± 0.45436.01
157.69 ± 0.47471.08

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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-49. ± 5.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltacliquid-3349.72 ± 0.58kJ/molCcbGood and Smith, 1979Corresponding «DELTA»fliquid = -46.98 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid262.60J/mol*KN/AMesserly, Todd, et al., 1990DH
liquid262.6J/mol*KN/AChao, Hall, et al., 1983DH
liquid262.55J/mol*KN/ATodd, Oliver, et al., 1947DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
154.87298.15Messerly, Todd, et al., 1990T = 10 to 320 K.; DH
154.298.15Chao, Hall, et al., 1983T = 12 to 353 K.; DH
154.3294.Schlinger and Sage, 1949T = 294 to 378 K. Cp given as 0.526 Btu/lb*R at 70°F.; DH
155.31298.15Todd, Oliver, et al., 1947T = 12 to 300 K.; DH

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

1-Pentene + Hydrogen = Pentane

By formula: C5H10 + H2 = C5H12

Quantity Value Units Method Reference Comment
Deltar-126.6 ± 2.4kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Dioxane
Deltar-125.0 ± 1.8kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Hexane
Deltar-122.6 ± 2.4kJ/molChydRogers and Skanupong, 1974liquid phase; solvent: Hexane
Deltar-119. ± 1.kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon

2-Pentene, (E)- = 1-Pentene

By formula: C5H10 = C5H10

Quantity Value Units Method Reference Comment
Deltar-10.9 ± 0.8kJ/molEqkEgger and Benson, 1966gas phase; Heat of Isomerization

Pentane, 2-chloro- = 1-Pentene + Hydrogen chloride

By formula: C5H11Cl = C5H10 + HCl

Quantity Value Units Method Reference Comment
Deltar73.6kJ/molEqkKaraseva and Andreevskii, 1969gas phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Kilpatrick J.E., 1946
Kilpatrick J.E., Heats, equilibrium constants, and free energies of formation of the monoolefin hydrocarbons, J. Res. Nat. Bur. Stand, 1946, 36, 559-612. [all data]

Scott D.W., 1949
Scott D.W., Thermodynamic properties of three isomeric pentenes, J. Am. Chem. Soc., 1949, 71, 2767-2773. [all data]

Good and Smith, 1979
Good, W.D.; Smith, N.K., The enthalpies of combustion of the isomeric pentenes in the liquid state. A warning to combustion calorimetrists about sample drying, J. Chem. Thermodyn., 1979, 11, 111-118. [all data]

Messerly, Todd, et al., 1990
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Lee-Bechtold, S.H.; Guthrie, G.B.; Steele, W.V.; Chirico, R.D., Heat capacities of pent-1-ene (10K to 320K), cis-hex-2-ene (10K to 330K), non-1-ene (10K to 400K), and hexadec-1-ene (10K to 400K), J. Chem. Thermodynam., 1990, 22, 1107-1128. [all data]

Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic properties of simple alkenes, Thermochim. Acta, 1983, 64(3), 285-303. [all data]

Todd, Oliver, et al., 1947
Todd, S.S.; Oliver, G.D.; Huffman, H.M., The heat capacities, heats of fusion and entropies of the six pentenes, J. Am. Chem. Soc., 1947, 69, 1519-1525. [all data]

Schlinger and Sage, 1949
Schlinger, W.G.; Sage, B.H., Isobaric heat capacity of 1-butene and 1-pentene at bubble point, Ind. Eng. Chem., 1949, 41, 1779-1782. [all data]

Molnar, Rachford, et al., 1984
Molnar, A.; Rachford, R.; Smith, G.V.; Liu, R., Heats of hydrogenation by a simple and rapid flow calorimetric method, Appl. Catal., 1984, 9, 219-223. [all data]

Rogers and Skanupong, 1974
Rogers, D.W.; Skanupong, S., Heats of hydrogenation of sixteen terminal monoolefins. The alternating effect, J. Phys. Chem., 1974, 78, 2569-2572. [all data]

Rogers and McLafferty, 1971
Rogers, D.W.; McLafferty, F.J., A new hydrogen calorimeter. Heats of hydrogenation of allyl and vinyl unsaturation adjacent to a ring, Tetrahedron, 1971, 27, 3765-3775. [all data]

Egger and Benson, 1966
Egger, K.W.; Benson, S.W., Nitric oxide and iodine catalyzed isomerization of olefins. VI. Thermodynamic data from equilibrium studies of the geometrical and positional isomerization of n-pentenes, J. Am. Chem. Soc., 1966, 88, 236-240. [all data]

Karaseva and Andreevskii, 1969
Karaseva, S.Ya.; Andreevskii, D.N., Equilibrium in the isomerisation of secondary monochloropentanes and the dehydrochlorination of 2-chloropentane, Russ. J. Phys. Chem. (Engl. Transl.), 1969, 43, 1236-1238. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References