(H2O)2..MeCO2 anion
- Formula: C2H7O4-
- Molecular weight: 95.0751
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Gas phase 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -1108. ± 14. | kJ/mol | Ther | Meot-ner, Elmore, et al., 1999 | |
| ΔfH°gas | -1112. ± 15. | kJ/mol | Ther | Blades, Klassen, et al., 1995 | T: 293 K. ΔSaff approx. 24 cal/mol-K |
Gas phase ion energetics data
Go To: Top, Gas phase 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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 4.550 ± 0.050 | LPES | Wang, Jagoda-Cwiklik, et al., 2009 |
References
Go To: Top, Gas phase 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.
Meot-ner, Elmore, et al., 1999
Meot-ner, M.; Elmore, D.E.; Scheiner, S.,
Ionic Hydrogen Bond Effects on the Acidities, Basicities, Solvation, Solvent Bridging and Self-assembly of Carboxylic Groups,
J. Am. Chem. Soc., 1999, 121, 33, 7625, https://doi.org/10.1021/ja982173i
. [all data]
Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P.,
Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I,
J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019
. [all data]
Wang, Jagoda-Cwiklik, et al., 2009
Wang, X.B.; Jagoda-Cwiklik, B.; Chi, C.X.; Xing, X.P.; Zhou, M.F.; Jungwirth, P.; Wang, L.S.,
Microsolvation of the acetate anion [CH3CO2-(H2O)(n), n=1-3]: A photoelectron spectroscopy and ab initio computational study,
Chem. Phys. Lett., 2009, 477, 1-3, 41-44, https://doi.org/10.1016/j.cplett.2009.06.074
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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