sodium fluoride
- Formula: FNa
- Molecular weight: 41.9881725
- IUPAC Standard InChI: InChI=1S/FH.Na/h1H;/q;+1/p-1
- IUPAC Standard InChIKey: PUZPDOWCWNUUKD-UHFFFAOYSA-M
- CAS Registry Number: 7681-49-4
- Chemical structure:
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Condensed 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°liquid | -130.54 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1968 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 17.56 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1968 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -137.52 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1968 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 12.24 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1968 |
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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1269. - 3500. |
|---|---|
| A | 15.87799 |
| B | -0.542658 |
| C | 0.167616 |
| D | -0.017733 |
| E | 2.159434 |
| F | -134.6692 |
| G | 34.66468 |
| H | -130.5459 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1968 |
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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. - 1269. |
|---|---|
| A | 12.66783 |
| B | -1.422598 |
| C | 3.002749 |
| D | 0.090398 |
| E | -0.116901 |
| F | -141.6525 |
| G | 27.20220 |
| H | -137.5201 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1968 |
References
Go To: Top, Condensed 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, Condensed phase thermochemistry data, References
- 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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