nC5H11O anion


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: John E. Bartmess

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Individual Reactions

C5H11O- + Hydrogen cation = 1-Pentanol

By formula: C5H11O- + H+ = C5H12O

Quantity Value Units Method Reference Comment
Δr1565. ± 8.8kJ/molG+TSHiggins and Bartmess, 1998gas phase
Δr1568. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1564. ± 12.kJ/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1538. ± 8.4kJ/molIMREHiggins and Bartmess, 1998gas phase
Δr1541. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1537. ± 11.kJ/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale

Gas phase ion energetics 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: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
1.89 ± 0.13D-EAHiggins and Bartmess, 1998 
1.90 ± 0.15D-EABoand, Houriet, et al., 1983value altered from reference due to change in acidity scale

Protonation reactions

C5H11O- + Hydrogen cation = 1-Pentanol

By formula: C5H11O- + H+ = C5H12O

Quantity Value Units Method Reference Comment
Δr1565. ± 8.8kJ/molG+TSHiggins and Bartmess, 1998gas phase
Δr1568. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1564. ± 12.kJ/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1538. ± 8.4kJ/molIMREHiggins and Bartmess, 1998gas phase
Δr1541. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1537. ± 11.kJ/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

Higgins and Bartmess, 1998
Higgins, P.R.; Bartmess, J.E., The Gas Phase Acidities of Long Chain Alcohols., Int. J. Mass Spectrom., 1998, 175, 1-2, 71-79, https://doi.org/10.1016/S0168-1176(98)00125-6 . [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]

Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T., The gas phase acidity of aliphatic alcohols, J. Am. Chem. Soc., 1983, 105, 2203. [all data]


Notes

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