2-CHO-1-cyclopropanide anion
- Formula: C4H5O-
- Molecular weight: 69.0824
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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
C4H5O- + =
By formula: C4H5O- + H+ = C4H6O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1631. ± 21. | kJ/mol | G+TS | Baschky, Peterson, et al., 1994 | gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity. |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1598. ± 21. | kJ/mol | IMRB | Baschky, Peterson, et al., 1994 | gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity. |
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
C4H5O- + =
By formula: C4H5O- + H+ = C4H6O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1631. ± 21. | kJ/mol | G+TS | Baschky, Peterson, et al., 1994 | gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity. |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1598. ± 21. | kJ/mol | IMRB | Baschky, Peterson, et al., 1994 | gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity. |
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.
Baschky, Peterson, et al., 1994
Baschky, M.C.; Peterson, K.C.; Kass, S.R.,
Stereospecificity in the gas phase. Formation and characterization of configurationally stable cyclopropyl anions,
J. Am. Chem. Soc., 1994, 116, 16, 7218, https://doi.org/10.1021/ja00095a026
. [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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