cyclopentadienone radical anion
- Formula: C5H4O-
- Molecular weight: 80.0852
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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 | 84. ± 21. | kJ/mol | NBAE | Cooper, Naff, et al., 1975 | From benzoquinone. Possibly cyclopentadienone-.; but that anion is calculated to be ca 30 kcal/mol more stable |
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.
Cooper, Naff, et al., 1975
Cooper, C.D.; Naff, W.T.; Compton, R.N.,
Negative ion properties of p-benzoquinone: Electron affinity and compound states,
J. Chem. Phys., 1975, 63, 2752. [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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