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1-Pentene, 4-methyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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

Quantity Value Units Method Reference Comment
Deltafgas-49.44 ± 0.67kJ/molCcbSteele, Chirico, et al., 1997 

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
Deltafliquid-78.22 ± 0.64kJ/molCcbSteele, Chirico, et al., 1997 
Quantity Value Units Method Reference Comment
Deltacliquid-3997.82 ± 0.54kJ/molCcbSteele, Chirico, et al., 1997Corresponding «DELTA»fliquid = -78.22 kJ/mol (simple calculation by NIST; no Washburn corrections)

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil327.0 ± 0.3KAVGN/AAverage of 21 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus130. ± 30.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tc495.KN/ASteele, Chirico, et al., 1997, 2Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc32.90barN/ASteele, Chirico, et al., 1997, 2Uncertainty assigned by TRC = 1.50 bar; derived from fit of obs. vapor pressure; TRC
Quantity Value Units Method Reference Comment
rhoc2.83mol/lN/ASteele, Chirico, et al., 1997, 2Uncertainty assigned by TRC = 0.12 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap28.8 ± 0.2kJ/molVSteele, Chirico, et al., 1997ALS
Deltavap28.6 ± 0.2kJ/molEBSteele, Chirico, et al., 1997, 3Based on data from 310. - 360. K.; AC
Deltavap28.7kJ/molN/AReid, 1972AC
Deltavap28.7kJ/molVCamin and Rossini, 1956ALS
Deltavap28.7kJ/molN/APennington, Scott, et al., 1956Based on data from 287. - 328. K.; AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
27.4 ± 0.3320.EBSteele, Chirico, et al., 1997, 3Based on data from 310. - 360. K.; AC
26.2 ± 0.4340.EBSteele, Chirico, et al., 1997, 3Based on data from 310. - 360. K.; AC
24.9 ± 0.5360.EBSteele, Chirico, et al., 1997, 3Based on data from 310. - 360. K.; AC
30.1280.AStephenson and Malanowski, 1987Based on data from 265. - 333. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
4.93118.9Lebedev, Smirnova, et al., 1994AC

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-Hexene = 1-Pentene, 4-methyl-

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Deltar-7.7 ± 1.5kJ/molCisoBartolo and Rossini, 1960liquid phase; Calculated from «DELTA»Hc

Hydrogen + 1-Pentene, 4-methyl- = Pentane, 2-methyl-

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-126.7 ± 0.43kJ/molChydRogers, Crooks, et al., 1987liquid phase

1-Pentene, 2-methyl- = 1-Pentene, 4-methyl-

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Deltar6.90 ± 0.42kJ/molEqkYursha and Kabo, 1976liquid phase; At 394.5K

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 compiled by: Coblentz Society, Inc.

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


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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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-1328
NIST MS number 227589

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.

Steele, Chirico, et al., 1997
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic properties and ideal-gas enthalpies of formation for 2-aminoisobutyric acid (2-methylalanine), acetic acid, (4-methyl-3-penten-2-one), 4-methylpent-1-ene, 2,2'-bis(phenylthio)propane, and glycidyl phenyl ether (1,2-epoxy-3-phenoxypropane), J. Chem. Eng. Data, 1997, 42, 1052-1066. [all data]

Steele, Chirico, et al., 1997, 2
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic Properties and Ideal-Gas Enthalpies of FOrmation for 2-Aminoisobutyric Acid (2-Methylalanine), Acetic Acid, (Z)-5-Ethylidene-2- norbornene, Mesityl Oxide (4-Methyl-3-pentene-2-one), 4-M, J. Chem. Eng. Data, 1997, 42, 1053-66. [all data]

Steele, Chirico, et al., 1997, 3
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for 2-Aminoisobutyric Acid (2-Methylalanine), Acetic Acid, ( Z )-5-Ethylidene-2-norbornene, Mesityl Oxide (4-Methyl-3-penten-2-one), 4-Methylpent-1-ene, 2,2'-Bis(phenylthio)propane, and Glycidyl Phenyl Ether (1,2-Epoxy-3-phenoxypropane), J. Chem. Eng. Data, 1997, 42, 6, 1053-1066, https://doi.org/10.1021/je970099y . [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]

Camin and Rossini, 1956
Camin, D.L.; Rossini, F.D., Physical properties of the 17 isomeric hexenes of the API research series, J. Phys. Chem., 1956, 60, 1446. [all data]

Pennington, Scott, et al., 1956
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol, J. Am. Chem. Soc., 1956, 78, 3266-3272. [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]

Lebedev, Smirnova, et al., 1994
Lebedev, B.V.; Smirnova, N.N.; Vasil'ev, V.G.; Kiparisova, E.G.; Kleiner, V.I., Thermodynamic characteristics of 4-methylpentene-1, poly(4-methylpentene-1), and 4-methylpentene-1 polymerization, Vysokomol. Soed. A, 1994, 36, 9, 1413. [all data]

Bartolo and Rossini, 1960
Bartolo, H.F.; Rossini, F.D., Heats of isomerization of the seventeen isomeric hexenes, J. Phys. Chem., 1960, 64, 1685-1689. [all data]

Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K., Enthalpies of hydrogenation of the hexenes, J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]

Yursha and Kabo, 1976
Yursha, I.A.; Kabo, G.Ya., Equilibrium isomerisation and thermodynamic properties of 2-methylpentenes, Russ. J. Phys. Chem. (Engl. Transl.), 1976, 50, 330, In original 558. [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