PO2 anion
- Formula: O2P-
- Molecular weight: 62.9731
- CAS Registry Number: 20499-58-5
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Gas phase ion energetics 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
Protonation reactions
O2P- + = HO2P
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 328.9 ± 4.3 | kcal/mol | D-EA | N/A | gas phase |
| ΔrH° | 328.9 ± 4.1 | kcal/mol | Endo | Viggiano, Morris, et al., 1991 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 322.3 ± 4.2 | kcal/mol | H-TS | Viggiano, Morris, et al., 1991 | gas phase |
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.
Viggiano, Morris, et al., 1991
Viggiano, A.A.; Morris, R.A.; Dale, F.; Paulson, J.F.; Henshman, M.J.; Miller, T.M.; Miller, S.,
The Gas Phase Acidities of HPO3 and HPO2: Enthalpies of Deprotonation,
J. Phys. Chem., 1991, 95, 3, 1275, https://doi.org/10.1021/j100156a044
. [all data]
Notes
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- Symbols used in this document:
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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