p-Benzoquinone anion
- Formula: C6H4O2-
- Molecular weight: 108.0953
- IUPAC Standard InChI: InChI=1S/C6H3O2/c7-5-1-2-6(8)4-3-5/h1-3H/q-1
- IUPAC Standard InChIKey: DJKSPSYYMJJMFY-UHFFFAOYSA-N
- CAS Registry Number: 3225-29-4
- Chemical structure:
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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 | -302.3 ± 3.6 | kJ/mol | R-EA | Schiedt and Weinkauf, 1999 | Neutral T1 state is 2.3 eV up: Siegert, Vogeler, et al., 20112 |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Schiedt and Weinkauf, 1999
Schiedt, J.; Weinkauf, R.,
Resonant Photodetachment via Shape and Feshbach Resonances: p-Benzoquinone Anions as a Model System,
J. Chem. Phys., 1999, 110, 1, 304, https://doi.org/10.1063/1.478066
. [all data]
Siegert, Vogeler, et al., 2011
Siegert, S.; Vogeler, F.; Marian, C.M.; Weinkauf, R.,
Throwing light on dark states of alpha-oligothiophenes of chain lengths 2 to 6: radical anion photoelectron spectroscopy and excited-state theory,
Phys. Chem. Chem. Phys., 2011, 13, 21, 10350-10363, https://doi.org/10.1039/c0cp02712j
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- 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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