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2-Pentanol

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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.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-312.7kJ/molN/ASachek, Peshchenko, et al., 1974Value computed using «DELTA»fHliquid° value of -365.2±1.1 kj/mol from Sachek, Peshchenko, et al., 1974 and «DELTA»vapH° value of 52.5 kj/mol from Chao and Rossini, 1965.; DRB
Deltafgas-313.8 ± 1.1kJ/molEqkConnett, 1970ALS
Deltafgas-314.6 ± 1.5kJ/molCcbChao and Rossini, 1965Heat of formation derived by Cox and Pilcher, 1970; ALS
Quantity Value Units Method Reference Comment
gas392.0 ± 0.9J/mol*KN/AConnett, 1970This value was obtained from equilibrium study.; GT

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-365.2 ± 1.1kJ/molCcbSachek, Peshchenko, et al., 1974Heat of combustion not reported
Deltafliquid-366.4 ± 1.7kJ/molEqkConnett, 1970 
Deltafliquid-367.1 ± 0.75kJ/molCcbChao and Rossini, 1965see Rossini, 1934
Quantity Value Units Method Reference Comment
Deltacliquid-3315.4 ± 0.67kJ/molCcbChao and Rossini, 1965see Rossini, 1934; Corresponding «DELTA»fliquid = -367.1 kJ/mol (simple calculation by NIST; no Washburn corrections)

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 as indicated in comments:
B - John E. Bartmess
ALS - 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

C5H11O- + Hydrogen cation = 2-Pentanol

By formula: C5H11O- + H+ = C5H12O

Quantity Value Units Method Reference Comment
Deltar1562. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Quantity Value Units Method Reference Comment
Deltar1534. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B

2-Pentanol = 2-Pentanone + Hydrogen

By formula: C5H12O = C5H10O + H2

Quantity Value Units Method Reference Comment
Deltar54.7 ± 0.3kJ/molEqkConnett, 1970liquid phase; ALS

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.

Sachek, Peshchenko, et al., 1974
Sachek, A.I.; Peshchenko, A.D.; Andreevskii, D.N., Heats of formation of secondary pentanols and hexanols, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 617. [all data]

Chao and Rossini, 1965
Chao, J.; Rossini, F.D., Heats of combustion, formation, and isomerization of nineteen alkanols, J. Chem. Eng. Data, 1965, 10, 374-379. [all data]

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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Rossini, 1934
Rossini, F.D., Heats of combustion and of formation of the normal aliphatic alcohols in the gaseous and liquid states, and the energies of their atomic linkages, J. Res. NBS, 1934, 13, 189-197. [all data]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]


Notes

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