2,2-diMe-1,3-dioxan-4,6-dione-5-ide anion


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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
3.32 ± 0.13D-EAMishima, Matsuoka, et al., 2004Meldrums acid. Calc: keto form of acid more stable.

Protonation reactions

C6H7O4- + Hydrogen cation = 1,3-Dioxane-4,6-dione, 2,2-dimethyl-

By formula: C6H7O4- + H+ = C6H8O4

Quantity Value Units Method Reference Comment
Deltar1389. ± 8.8kJ/molG+TSMishima, Matsuoka, et al., 2004gas phase; Meldrums acid. Calc: keto form of acid more stable.
Quantity Value Units Method Reference Comment
Deltar1359. ± 8.4kJ/molIMREMishima, Matsuoka, et al., 2004gas phase; Meldrums acid. Calc: keto form of acid more stable.

References

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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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