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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Liquid Phase Heat Capacity (Shomate Equation)
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.
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 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1269. | 16.76 | 37.21 | 26.19 | 13.99 |
| 1300. | 16.69 | 37.61 | 26.45 | 14.51 |
| 1400. | 16.50 | 38.84 | 27.30 | 16.17 |
| 1500. | 16.34 | 39.98 | 28.10 | 17.81 |
| 1600. | 16.21 | 41.03 | 28.88 | 19.44 |
| 1700. | 16.10 | 42.01 | 29.62 | 21.05 |
| 1800. | 16.01 | 42.92 | 30.34 | 22.66 |
| 1900. | 15.93 | 43.79 | 31.02 | 24.25 |
| 2000. | 15.86 | 44.60 | 31.68 | 25.84 |
| 2100. | 15.80 | 45.38 | 32.32 | 27.43 |
| 2200. | 15.75 | 46.11 | 32.93 | 29.00 |
| 2300. | 15.71 | 46.81 | 33.51 | 30.58 |
| 2400. | 15.67 | 47.48 | 34.08 | 32.15 |
| 2500. | 15.64 | 48.12 | 34.63 | 33.71 |
| 2600. | 15.61 | 48.73 | 35.16 | 35.27 |
| 2700. | 15.58 | 49.32 | 35.67 | 36.83 |
| 2800. | 15.56 | 49.88 | 36.17 | 38.39 |
| 2900. | 15.54 | 50.43 | 36.65 | 39.95 |
| 3000. | 15.52 | 50.96 | 37.12 | 41.50 |
| 3100. | 15.50 | 51.46 | 37.58 | 43.05 |
| 3200. | 15.49 | 51.96 | 38.02 | 44.60 |
| 3300. | 15.47 | 52.43 | 38.45 | 46.15 |
| 3400. | 15.46 | 52.89 | 38.87 | 47.69 |
| 3500. | 15.45 | 53.34 | 39.27 | 49.24 |
References
Go To: Top, Liquid Phase Heat Capacity (Shomate Equation), 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, Liquid Phase Heat Capacity (Shomate Equation), References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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