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Pentanal

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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 by: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
gas379.9 ± 3.3J/mol*KN/AConnett, 1970This value was obtained from equilibrium study.

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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid273.59J/mol*KN/AKorkhov, D'yakova, et al., 1983 
liquid273.6J/mol*KN/AD'yakova and Vasil'ev, 1982 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
174.39298.15Korkhov, D'yakova, et al., 1983T = 10 to 340 K.
171.5298.von Reis, 1881T = 290 to 385 K.

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
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil376. ± 2.KAVGN/AAverage of 20 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus188. ± 8.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tc568.3KN/AAnselme and Teja, 1990Uncertainty assigned by TRC = 2. K; TRC
Tc566.1KN/ATeja and Rosenthal, 1990Uncertainty assigned by TRC = 0.8 K; TRC
Quantity Value Units Method Reference Comment
Pc39.70barN/ATeja and Rosenthal, 1990Uncertainty assigned by TRC = 1.00 bar; TRC
Quantity Value Units Method Reference Comment
rhoc3.19mol/lN/AAnselme and Teja, 1990Uncertainty assigned by TRC = 0.06 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap38.6kJ/molEBAntosik, Fras, et al., 2002Based on data from 307. - 343. K. See also Verevkin, Krasnykh, et al., 2003.; AC
Deltavap38.3kJ/molCGCChickos, Hosseini, et al., 1995Based on data from 313. - 353. K.; AC
Deltavap38.1 ± 0.1kJ/molN/AD'yakova, Korichev, et al., 1981AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Reference Comment
37.3320.Markovnik, Sachek, et al., 1979Based on data from 305. - 377. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
15.0151.6Vasil'ev and Lebedev, 1998AC

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

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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-Pentanol = Pentanal + Hydrogen

By formula: C5H12O = C5H10O + H2

Quantity Value Units Method Reference Comment
Deltar66.2 ± 1.6kJ/molEqkConnett, 1970liquid phase

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

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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: 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.
NIST MS number 571

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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.

Connett, 1970
Connett, J.E., Chemical equilibria. Part III. Dehydrogenation of pentan-1-ol, pentan-2-ol, and 3-methylbutan-2-ol, J. Chem. Soc. A, 1970, 1284-1286. [all data]

Korkhov, D'yakova, et al., 1983
Korkhov, A.D.; D'yakova, G.N.; Vasil'ev, I.A., Heat capacity of pivalaldehyde and valeraldehyde, Fiz.-khim. Aspekty Razrab. Neftekhim. Protsessov, 1983, M. [all data]

D'yakova and Vasil'ev, 1982
D'yakova, G.N.; Vasil'ev, I.A., Thermodynamic properties of aliphatic aldehydes, 1982, Termodin. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

Anselme and Teja, 1990
Anselme, M.J.; Teja, A.S., The critical properties of rapidly reacting substances, AIChE Symp. Ser., 1990, 86, 279, 128-32. [all data]

Teja and Rosenthal, 1990
Teja, A.S.; Rosenthal, D.J., The Critical Pressures and Temperatures of Twelve Substances Using A Low Residence Time Flow Apparatus, AIChE Symp. Ser., 1990, 86, 279, 133-7. [all data]

Antosik, Fras, et al., 2002
Antosik, Maria; Fras, Zbigniew; Malanowski, Stanislaw K., Vapor-Liquid Equilibrium in 2-Ethoxyethanol + Valeraldehyde and + Propyl Ether at 313.15 to 333.15 K, J. Chem. Eng. Data, 2002, 47, 4, 757-760, https://doi.org/10.1021/je000275u . [all data]

Verevkin, Krasnykh, et al., 2003
Verevkin, Sergey P.; Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Koutek, Bohumir; Doubsky, Jan; Heintz, Andreas, Vapor pressures and enthalpies of vaporization of a series of the linear aliphatic aldehydes, Fluid Phase Equilibria, 2003, 206, 1-2, 331-339, https://doi.org/10.1016/S0378-3812(03)00035-9 . [all data]

Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G., Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times, Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3 . [all data]

D'yakova, Korichev, et al., 1981
D'yakova, G.N.; Korichev, G.L.; Korkhova, A.D.; Vasil'eva, T.F.; Vasil'ev, I.A., Zh. Prikl. Khim. (Leningrad), 1981, 54, 1644. [all data]

Markovnik, Sachek, et al., 1979
Markovnik, V.S.; Sachek, A.I.; Peshchenko, A.D.; Shvaro, O.V.; Andreevskii, D.N.; Olizarevich, N.M., Termodin. Org. Soedin., 1979, 107. [all data]

Vasil'ev and Lebedev, 1998
Vasil'ev, V.G.; Lebedev, B.V., Thermodynamic Properties of Aliphatic Aldehydes and Polyaldehydes: Effect of Composition and Structure, Polym. Sci., Ser. A, 1998, 40, 5, 464. [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