Cesium hydroxide
- Formula: CsHO
- Molecular weight: 149.9128
- IUPAC Standard InChI: InChI=1S/Cs.H2O/h;1H2/q+1;/p-1
- IUPAC Standard InChIKey: HUCVOHYBFXVBRW-UHFFFAOYSA-M
- CAS Registry Number: 21351-79-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: caesium hydroxide
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Condensed 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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -405.97 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1971 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 118.51 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1971 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -416.73 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1971 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 98.74 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1971 |
Liquid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 588. to 2000. |
|---|---|
| A | 81.58800 |
| B | 0.000000 |
| C | 0.000000 |
| D | 0.000000 |
| E | 0.000000 |
| F | -430.2951 |
| G | 217.2475 |
| H | -405.9706 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1971 |
Solid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. to 410. | 410. to 493. | 493. to 588. |
|---|---|---|---|
| A | -177.0160 | -7247.910 | 83.67990 |
| B | 1323.210 | 42467.60 | 0.000411 |
| C | -2599.410 | -87147.90 | -0.000423 |
| D | 1882.890 | 61260.30 | 0.000153 |
| E | 2.803520 | 56.96420 | 0.000007 |
| F | -394.1140 | 703.0910 | -436.0870 |
| G | -395.3210 | -17662.50 | 210.6020 |
| H | -416.7260 | -416.7260 | -416.7260 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in June, 1971 | Data last reviewed in June, 1971 | Data last reviewed in June, 1971 |
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: José A. Martinho Simões
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
C2HCs (cr) + (l) = (
• 1031
) (solution) +
(g)
By formula: C2HCs (cr) + H2O (l) = (HCsO • 1031H2O) (solution) + C2H2 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -54.0 ± 0.8 | kJ/mol | RSC | Ader and Hubbard, 1973 | Please also see Pedley and Rylance, 1977. |
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.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Ader and Hubbard, 1973
Ader, M.; Hubbard, W.N.,
J. Chem. Thermodyn., 1973, 5, 607. [all data]
Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J.,
Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]
Notes
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- Symbols used in this document:
S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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