OH..H anion
- Formula: H2O-
- Molecular weight: 18.0158
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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 | -34. ± 17. | kJ/mol | IMRB | de Koening and Nibbering, 1984 |
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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.20 ± 0.50 | EIAE | Griffiths and Harris, 1987 |
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.
de Koening and Nibbering, 1984
de Koening, L.J.; Nibbering, N.M.M.,
Formation of the Long-Lived H2O-. Ion in the Gas Phase,
J. Am. Chem. Soc., 1984, 106, 25, 7971, https://doi.org/10.1021/ja00337a054
. [all data]
Griffiths and Harris, 1987
Griffiths, W.J.; Harris, F.M.,
Evidence of Stable H2O-. Ions (lifetime 4 usec) Formed by Charge Inversion Reactions within a Double Focusing Mass Spectrometer,
Org. Mass Spectrom., 1987, 22, 8, 559, https://doi.org/10.1002/oms.1210220817
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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