(MeO)2PO anion
- Formula: C2H6O3P-
- Molecular weight: 109.0416
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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
C2H6O3P- + =
By formula: C2H6O3P- + H+ = C2H7O3P
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 356.5 ± 3.6 | kcal/mol | G+TS | McDonald, Chowdhury, et al., 1987 | gas phase; Acidity between MeNO2, EtSH. Acid taken as (MeO)2P(O)H. |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 349.3 ± 3.5 | kcal/mol | IMRB | McDonald, Chowdhury, et al., 1987 | gas phase; Acidity between MeNO2, EtSH. Acid taken as (MeO)2P(O)H. |
| ΔrG° | 351.0 ± 4.0 | kcal/mol | IMRB | Anderson, DePuy, et al., 1984 | gas phase; Between MeSH, H2S |
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
Protonation reactions
C2H6O3P- + =
By formula: C2H6O3P- + H+ = C2H7O3P
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 356.5 ± 3.6 | kcal/mol | G+TS | McDonald, Chowdhury, et al., 1987 | gas phase; Acidity between MeNO2, EtSH. Acid taken as (MeO)2P(O)H. |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 349.3 ± 3.5 | kcal/mol | IMRB | McDonald, Chowdhury, et al., 1987 | gas phase; Acidity between MeNO2, EtSH. Acid taken as (MeO)2P(O)H. |
| ΔrG° | 351.0 ± 4.0 | kcal/mol | IMRB | Anderson, DePuy, et al., 1984 | gas phase; Between MeSH, H2S |
References
Go To: Top, Reaction 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.
McDonald, Chowdhury, et al., 1987
McDonald, R.M.; Chowdhury, A.K.; Gung, W.Y.; DeWitt, K.D.,
Nucleophilic Reactivity in Anionic Ion-Molecule Reactions
in Nucleophilicity, Harris, J.M, McManus, S.P. Eds., Amer. Chem. Soc, 1987. [all data]
Anderson, DePuy, et al., 1984
Anderson, D.R.; DePuy, C.H.; Filley, J.; Bierbaum, V.M.,
Gas Phase Chemistry of Trimethyl Phosphite,
J. Am. Chem. Soc., 1984, 106, 22, 6513, https://doi.org/10.1021/ja00334a009
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
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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