Calcium monofluoride
- Formula: CaF
- Molecular weight: 59.076
- IUPAC Standard InChI: InChI=1S/Ca.FH/h;1H/q+1;/p-1
- IUPAC Standard InChIKey: PMJVACMPRFHIPZ-UHFFFAOYSA-M
- CAS Registry Number: 13827-26-4
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, References, Notes
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°gas | -271.96 | kJ/mol | Review | Chase, 1998 | Data last reviewed in December, 1968 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 229.65 | J/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1968 |
Gas 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 1600. | 1600. to 6000. |
|---|---|---|
| A | 34.53716 | 47.85073 |
| B | 6.332066 | -7.305724 |
| C | -4.445333 | 1.870969 |
| D | 1.139973 | -0.111628 |
| E | -0.214336 | -6.829669 |
| F | -283.2212 | -297.7757 |
| G | 268.5346 | 276.4289 |
| H | -271.9604 | -271.9604 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1968 | Data last reviewed in December, 1968 |
References
Go To: Top, Gas phase 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]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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