Oxygen anion
- Formula: O-
- Molecular weight: 15.9999
- CAS Registry Number: 14337-01-0
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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 as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 25.88 | kcal/mol | R-EA | Blondel, Chaibi, et al., 2005 | (16)O: 1.4611135(12) eV: revised analysis of Blondel, Delsart, et al., 2001; B |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 37.713 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1982 |
Gas phase ion energetics data
Go To: Top, Gas phase 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
O- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 382.600 ± 0.010 | kcal/mol | D-EA | Neumark, Lykke, et al., 1985 | gas phase; Given: 1.461122(3) eV; revised to 1.4611107(17) eV, 95BLO, based on missing term+86CODATA |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 376.73 ± 0.15 | kcal/mol | H-TS | Neumark, Lykke, et al., 1985 | gas phase; Given: 1.461122(3) eV; revised to 1.4611107(17) eV, 95BLO, based on missing term+86CODATA |
References
Go To: Top, Gas phase 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.
Blondel, Chaibi, et al., 2005
Blondel, C.; Chaibi, W.; Delsart, C.; Drag, C.; Goldfarb, F.; Kroger, S.,
The electron affinities of O, Si, and S revisited with the photodetachment microscope,
Eur. Phys. J. D, 2005, 33, 3, 335-342, https://doi.org/10.1140/epjd/e2005-00069-9
. [all data]
Blondel, Delsart, et al., 2001
Blondel, C.; Delsart, C.; Goldfarb, F.,
Electron spectrometry at the mu eV level and the electron affinities of Si and F,
J. Phys. B: Atom. Mol. Opt. Phys., 2001, 34, 9, L281-L288, https://doi.org/10.1088/0953-4075/34/9/101
. [all data]
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Neumark, Lykke, et al., 1985
Neumark, D.M.; Lykke, K.R.; Andersen, T.; Lineberger, W.C.,
Laser photodetachment measurement of the electron affinity of atomic oxygen,
Phys. Rev. A:, 1985, 32, 1890. [all data]
Notes
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- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions 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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