Calcium hydroxide cation
- Formula: CaHO+
- Molecular weight: 57.085
- CAS Registry Number: 36812-31-4
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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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas,1 bar | 229.91 | J/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1975 |
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
HCaO+ + = (HCaO+ •
)
By formula: HCaO+ + H2O = (HCaO+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 144. | kJ/mol | MS | Burdett and Hayhurst, 1982 | gas phase; flame source, about 1600 K |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 90.0 | J/mol*K | MS | Burdett and Hayhurst, 1982 | gas phase; flame source, about 1600 K |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Burdett and Hayhurst, 1982
Burdett, N.A.; Hayhurst, A.N.,
Hydration of gas phase ions and the measurement of boundary layer cooling during flame sampling into a mass spectrometer.,
J. Chem. Soc. Faraday Trans. 1, 1982, 78, 2997. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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