CH2=C(OiPr)O anion
- Formula: C5H9O2-
- Molecular weight: 101.1243
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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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.72 ± 0.20 | D-EA | Haas, Giblin, et al., 1998 | From transesterification equilibria |
Protonation reactions
C5H9O2- + =
By formula: C5H9O2- + H+ = C5H10O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 371.9 ± 4.1 | kcal/mol | G+TS | Haas, Giblin, et al., 1998 | gas phase; From transesterification equilibria |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 365.2 ± 4.0 | kcal/mol | IMRE | Haas, Giblin, et al., 1998 | gas phase; From transesterification equilibria |
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.
Haas, Giblin, et al., 1998
Haas, G.W.; Giblin, D.E.; Gross, M.L.,
The Mechanism and Thermodynamics of Transesterification of Acetate-Ester Enolates in the Gas Phase,
Int. J. Mass Spectrom. Ion Proc., 1998, 172, 1-2, 25, https://doi.org/10.1016/S0168-1176(97)83245-4
. [all data]
Notes
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- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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