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1-Pentanol

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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 as indicated in comments:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LL - Sharon G. Lias and Joel F. Liebman

View reactions leading to C5H12O+ (ion structure unspecified)

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
795.Holmes, Aubry, et al., 1999MM

Ionization energy determinations

IE (eV) Method Reference Comment
10.00PEAshmore and Burgess, 1977LLK
10.38PEAshmore and Burgess, 1977Vertical value; LLK
10.42 ± 0.03PEPeel and Willett, 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H10+10.04 ± 0.05H2OEIHarnish, Holmes, et al., 1990LL

De-protonation reactions

C5H11O- + Hydrogen cation = 1-Pentanol

By formula: C5H11O- + H+ = C5H12O

Quantity Value Units Method Reference Comment
Deltar1565. ± 8.8kJ/molG+TSHiggins and Bartmess, 1998gas phase; B
Deltar1568. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Deltar1564. ± 12.kJ/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar1538. ± 8.4kJ/molIMREHiggins and Bartmess, 1998gas phase; B
Deltar1541. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Deltar1537. ± 11.kJ/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B

References

Go To: Top, 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.

Holmes, Aubry, et al., 1999
Holmes, J.L.; Aubry, C.; Mayer, P.M., Proton affinities of primary alkanols: An appraisal of the kinetic method, J. Phys. Chem. A, 1999, 103, 705. [all data]

Ashmore and Burgess, 1977
Ashmore, F.S.; Burgess, A.R., Study of Some Medium Size Alcohols and Hydroperoxides by Photoelectron Spectroscopy, J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1247. [all data]

Peel and Willett, 1975
Peel, J.B.; Willett, G.D., Photoelectron spectroscopic studies of the higher alcohols, Aust. J. Chem., 1975, 28, 2357. [all data]

Harnish, Holmes, et al., 1990
Harnish, D.; Holmes, J.L.; Lossing, F.P.; Mommers, A.A.; Maccoll, A.; Mruzek, M.N., Assigining structures to isomeric [C5H10]+ Ions: the generation of ionized ethylcyclopropane from pentan-1-ol and 1-chloropentane, Org. Mass Spectrom., 1990, 25, 381. [all data]

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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