H2O+
- Formula: H2O+
- Molecular weight: 18.0147
- CAS Registry Number: 56583-62-1
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Reaction 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
H2O+ + = (H2O+ •
)
By formula: H2O+ + Kr = (H2O+ • Kr)
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 7.6 (+2.3,-0.) | PD/KERD | Kim, Kuo, et al., 1990 | gas phase |
H2O+ + = (H2O+ •
)
By formula: H2O+ + H2O = (H2O+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 36. | kcal/mol | PI | Ng, Trevor, et al., 1977 | gas phase; ΔrH> |
Ion clustering data
Go To: Top, Reaction 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
H2O+ + = (H2O+ •
)
By formula: H2O+ + H2O = (H2O+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 36. | kcal/mol | PI | Ng, Trevor, et al., 1977 | gas phase; ΔrH> |
H2O+ + = (H2O+ •
)
By formula: H2O+ + Kr = (H2O+ • Kr)
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 7.6 (+2.3,-0.) | PD/KERD | Kim, Kuo, et al., 1990 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kim, Kuo, et al., 1990
Kim, H.S.; Kuo, C.H.; Bowers, M.T.,
Photodissociation Dynamics of Water Containing Clusters. I. Kr.H2O+,
J. Chem. Phys., 1990, 93, 8, 5594, https://doi.org/10.1063/1.459630
. [all data]
Ng, Trevor, et al., 1977
Ng, C.Y.; Trevor, D.J.; Tiedemann, P.W.; Ceyer, S.T.; Kronebush, B.H.; Mahan, B.H.; Lee, Y.T.,
Photoinization of Dimeric Polyatomic Molecules: Proton Affinities of H2O and HF,
J. Chem. Phys., 1977, 67, 9, 4235, https://doi.org/10.1063/1.435404
. [all data]
Notes
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- Symbols used in this document:
T Temperature ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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