2-Pentenoic acid


Gas phase ion energetics data

Go To: Top, References, Notes

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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
10.14PEHolmes, Terlouw, et al., 1979LLK

De-protonation reactions

C5H7O2- + Hydrogen cation = 2-Pentenoic acid

By formula: C5H7O2- + H+ = C5H8O2

Quantity Value Units Method Reference Comment
Δr345.2 ± 2.9kcal/molG+TSGraul, Schnute, et al., 1990gas phase; Trans isomer; B
Quantity Value Units Method Reference Comment
Δr338.2 ± 2.8kcal/molCIDCGraul, Schnute, et al., 1990gas phase; Trans isomer; 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, Terlouw, et al., 1979
Holmes, J.L.; Terlouw, J.K.; Vijfhuizen, P.C.; A'Campo, C., Metastable ion studies XII-Molecular and fragment ion structures for isomeric C4H6O2 acids, Org. Mass Spectrom., 1979, 14, 204. [all data]

Graul, Schnute, et al., 1990
Graul, S.T.; Schnute, M.E.; Squires, R.R., Gas-Phase Acidities of Carboxylic Acids and Alcohols from Collision-Induced Dissociation of Dimer Cluster Ions, Int. J. Mass Spectrom. Ion Proc., 1990, 96, 2, 181, https://doi.org/10.1016/0168-1176(90)87028-F . [all data]


Notes

Go To: Top, Gas phase ion energetics data, References