HCCHO radical anion
- Formula: C2H2O-
- Molecular weight: 42.0372
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Gas phase 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | <15. ± 18. | kJ/mol | Acid | Grabowski and Melly, 1987 | HCCHO- + MeCHO does not -> CH2=CHO-. G3MP2B3 calculations put dHacid=383 kcal/mol and HOF(A-)=+20 kcal/mol |
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.
Grabowski and Melly, 1987
Grabowski, J.J.; Melly, S.J.,
Formation of carbene radical anions: Gas phase reaction of the atomic oxygen anion with organic neutrals,
Int. J. Mass Spectrom. Ion Processes, 1987, 81, 147. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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