HO(CH2)4O anion
- Formula: C4H9O2-
- Molecular weight: 89.1136
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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 |
|---|---|---|---|
| 2.67 ± 0.14 | D-EA | Crowder and Bartmess, 1993 | ΔGacid at 80°C |
Protonation reactions
C4H9O2- + =
By formula: C4H9O2- + H+ = C4H10O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1490. ± 10. | kJ/mol | G+TS | Crowder and Bartmess, 1993 | gas phase; ΔGacid at 80°C |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1484. ± 8.4 | kJ/mol | IMRE | Crowder and Bartmess, 1993 | gas phase; ΔGacid at 80°C |
| ΔrG° | 1507.1 ± 1.3 | kJ/mol | CIDC | Houriet, Tabet, et al., 1984 | gas phase; value altered from reference due to change in acidity scale |
References
Go To: Top, 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.
Crowder and Bartmess, 1993
Crowder, C.; Bartmess, J.,
The Gas Phase Acidities of Diols,
J. Am. Soc. Mass Spectrom., 1993, 4, 9, 723, https://doi.org/10.1016/1044-0305(93)80051-Y
. [all data]
Houriet, Tabet, et al., 1984
Houriet, R.; Tabet, J.-C.; Tchapla, A.,
Gas-phase Acidities of Aliphatic and Cyclic Diols,
Spectros. Int. J., (1984),, 1984, 3, 132.. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- 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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