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(MeO2C)2CH 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

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.

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, 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

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, 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.

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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