H2O..O2C(CH2)2CO2 dianion
- Formula: C4H6O5-2
- Molecular weight: 134.0885
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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
Butanedioic acid, ion(2-) + = C4H6O5-2
By formula: Butanedioic acid, ion(2-) + H2O = C4H6O5-2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.1 ± 4.2 | kcal/mol | N/A | Ding, Wang, et al., 1998 | gas phase; Affinity is EA difference from next lower solvated ion. |
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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.350 ± 0.090 | LPES | Ding, Wang, et al., 1998 | Affinity is EA difference from next lower solvated ion. |
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.
Ding, Wang, et al., 1998
Ding, C.F.; Wang, X.B.; Wang, L.S.,
Photoelectron spectroscopy of doubly charged anions: Intramolecular Coulomb repulsion and solvent stabilization,
J. Phys. Chem. A, 1998, 102, 45, 8633-8636, https://doi.org/10.1021/jp982698x
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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