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
Δfgas-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
Δfliquid-49. ± 5.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δcliquid-3349.72 ± 0.58kJ/molCcbGood and Smith, 1979Corresponding Δfliquid = -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

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil304. ± 8.KAVGN/AAverage of 30 out of 31 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus107.75KN/AStreiff, Murphy, et al., 1946Uncertainty assigned by TRC = 0.2 K; TRC
Tfus107.78KN/AStreiff, Murphy, et al., 1946Uncertainty assigned by TRC = 0.2 K; TRC
Tfus107.88KN/AStreiff, Murphy, et al., 1946Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Ttriple108.010KN/AMesserly, Todd, et al., 1990, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.003 K; TRC
Ttriple107.790KN/AMesserly, Todd, et al., 1990, 2Metastable crystal phase; Uncertainty assigned by TRC = 0.003 K; TRC
Ttriple5.800KN/AChao, Hall, et al., 1983, 2Uncertainty assigned by TRC = 0.01 K; TRC
Ttriple107.9KN/ATodd, Oliver, et al., 1947, 2Uncertainty assigned by TRC = 0.5 K; this value not measured but taken from 1956-strmur 0; TRC
Quantity Value Units Method Reference Comment
Tc464.8 ± 0.5KN/ATsonopoulos and Ambrose, 1996 
Tc464.7KN/AMajer and Svoboda, 1985 
Tc465.1KN/AWolfe, Kay, et al., 1983Uncertainty assigned by TRC = 0.3 K; $ %Y/SI 0.01 @Y/SI 0.3; TRC
Tc463.77KN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Tc464.74KN/AAmbrose, Cox, et al., 1960Uncertainty assigned by TRC = 0.03 K; Visual, PRT, IPTS-48; TRC
Quantity Value Units Method Reference Comment
Pc35.6 ± 0.5barN/ATsonopoulos and Ambrose, 1996 
Pc35.50barN/AWolfe, Kay, et al., 1983Uncertainty assigned by TRC = 0.20 bar; $ %Y/SI 1.5 @Y/SI 20.; TRC
Pc35.510barN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0344 bar; TRC
Quantity Value Units Method Reference Comment
Vc0.2984l/molN/ATsonopoulos and Ambrose, 1996 
Quantity Value Units Method Reference Comment
ρc3.35 ± 0.05mol/lN/ATsonopoulos and Ambrose, 1996 
ρc3.32mol/lN/AWolfe, Kay, et al., 1983Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap29.82kJ/molN/AMajer and Svoboda, 1985 
Δvap25.5kJ/molN/AReid, 1972AC
Δvap25.5 ± 0.1kJ/molCScott, Waddington, et al., 1949AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
25.2303.1N/AMajer and Svoboda, 1985 
29.1233.AStephenson and Malanowski, 1987Based on data from 218. - 311. K.; AC
26.7295.MMForziati, Camin, et al., 1950Based on data from 286. - 304. K.; AC
26.9288.N/AScott, Waddington, et al., 1949Based on data from 273. - 334. K.; AC
26.2 ± 0.1284.CScott, Waddington, et al., 1949AC
25.2 ± 0.1303.CScott, Waddington, et al., 1949AC
26.3290.N/ADay, Nicholson, et al., 1948Based on data from 273. - 308. K.; AC
25.7341.N/ADay, Nicholson, et al., 1948Based on data from 313. - 368. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) β Tc (K) Reference Comment
284. - 303.39.710.2663464.7Majer and Svoboda, 1985 

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference
285.98 - 303.873.910581014.294-43.367Forziati, Camin, et al., 1950, 2

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
5.93739108.016Messerly, Todd, et al., 1990DH
5.88168107.797Messerly, Todd, et al., 1990c(metastable)/liq; DH
5.807107.90Chao, Hall, et al., 1983DH
5.807107.9Todd, Oliver, et al., 1947DH
5.81107.9Acree, 1991See also Messerly, Todd, et al., 1990.; AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
54.97108.016Messerly, Todd, et al., 1990DH
54.56107.797Messerly, Todd, et al., 1990c(metastable)/liq; DH
53.82107.90Chao, Hall, et al., 1983DH
53.82107.9Todd, Oliver, et al., 1947DH

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
71.7crystalineglassTakeda, Oguni, et al., 1990DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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
Δr-126.6 ± 2.4kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Dioxane
Δr-125.0 ± 1.8kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Hexane
Δr-122.6 ± 2.4kJ/molChydRogers and Skanupong, 1974liquid phase; solvent: Hexane
Δr-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
Δr-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
Δr73.6kJ/molEqkKaraseva and Andreevskii, 1969gas phase

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-2716
NIST MS number 230821

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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]

Streiff, Murphy, et al., 1946
Streiff, A.J.; Murphy, E.T.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D., Purification, Purity, and Freezing Points of 7 Heptanes, 16 Octanes, 6 Pentene, Cyclopentene, and 7 C9H12 Alkylbenzenes of the API-Standard and API-NBS Series, J. Res. Natl. Bur. Stand. (U. S.), 1946, 37, 331. [all data]

Messerly, Todd, et al., 1990, 2
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 (10 K to 320 K), cis-hex-2-ene (10 K to 330 K), non-1-ene (10 K to 400 K) and hexadec-1-ene (10 K to 400 K), J. Chem. Thermodyn., 1990, 22, 1107-28. [all data]

Chao, Hall, et al., 1983, 2
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic Properties of Simple Alkenes, Thermochim. Acta, 1983, 64, 285. [all data]

Todd, Oliver, et al., 1947, 2
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. [all data]

Tsonopoulos and Ambrose, 1996
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons, J. Chem. Eng. Data, 1996, 41, 645-656. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Wolfe, Kay, et al., 1983
Wolfe, D.; Kay, W.B.; Teja, A.S., Phase Equilibria in the n-Pentane + Pent-1-ene System 1. Critical States, J. Chem. Eng. Data, 1983, 28, 319. [all data]

Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A., The critical constants of binary mixtures of certain perfluoro-compounds with alkanes, J. Chem. Thermodyn., 1972, 4, 301-11. [all data]

Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R., The critical temperatures of forty organic compounds, Trans. Faraday Soc., 1960, 56, 1452. [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]

Scott, Waddington, et al., 1949
Scott, D.W.; Waddington, G.; Smith, J.C.; Huffman, H.M., Thermodynamic properties of three isomeric pentenes, J. Am. Chem. Soc., 1949, 71, 2767-2773. [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]

Forziati, Camin, et al., 1950
Forziati, A.F.; Camin, D.L.; Rossini, F.D., Density, refractive index, boiling point, and vapor pressure of eight monoolefin (1-alkene), six pentadiene, and two cyclomonoolefin hydrocarbons, J. RES. NATL. BUR. STAN., 1950, 45, 5, 406, https://doi.org/10.6028/jres.045.044 . [all data]

Day, Nicholson, et al., 1948
Day, H.O.; Nicholson, D.E.; Felsing, W.A., The Vapor Pressures and Some Related Quantities of Pentene-1 from 0 to 200°, J. Am. Chem. Soc., 1948, 70, 5, 1784-1785, https://doi.org/10.1021/ja01185a037 . [all data]

Forziati, Camin, et al., 1950, 2
Forziati, a.F.; Camin, D.L.; Rossini, F.D., Density, refractive index, boiling point, and vapor pressure of eight monoolefin (1-alkene), six pentadiene, and two cyclomonoolefin hydrocarbons, J. Res. NBS, 1950, 45, 406-410. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Takeda, Oguni, et al., 1990
Takeda, K.; Oguni, M.; Suga, H., A DTA apparatus for vapour-deposited samples. Characterisation of some vapour-deposited hydrocarbons, Thermochim. Acta, 1990, 158(1), 195-203. [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, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References