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Propanedioic acid, dimethyl ester

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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 by: John E. Bartmess

De-protonation reactions

C5H7O4- + Hydrogen cation = Propanedioic acid, dimethyl ester

By formula: C5H7O4- + H+ = C5H8O4

Quantity Value Units Method Reference Comment
Deltar1456. ± 8.8kJ/molG+TSMishima, Matsuoka, et al., 2004gas phase; Calc: keto form of acid more stable.
Quantity Value Units Method Reference Comment
Deltar1428. ± 8.4kJ/molIMREMishima, Matsuoka, et al., 2004gas phase; Calc: keto form of acid more stable.

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.

Mishima, Matsuoka, et al., 2004
Mishima, M.; Matsuoka, M.; Lei, Y.X.; Rappoport, Z., Gas-phase acidities of disubstituted methanes and of enols of carboxamides substituted by electron-withdrawing groups, J. Org. Chem., 2004, 69, 18, 5947-5965, https://doi.org/10.1021/jo040196b . [all data]


Notes

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