Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

4-Pentenoic acid

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


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 by: John E. Bartmess

De-protonation reactions

C5H7O2- + Hydrogen cation = 4-Pentenoic acid

By formula: C5H7O2- + H+ = C5H8O2

Quantity Value Units Method Reference Comment
Deltar1441. ± 12.kJ/molG+TSGraul, Schnute, et al., 1990gas phase
Quantity Value Units Method Reference Comment
Deltar1411. ± 12.kJ/molCIDCGraul, Schnute, et al., 1990gas phase

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.

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