trisodium hexafluoroaluminate
- Formula: AlF6Na3
- Molecular weight: 209.9412656
- CAS Registry Number: 15096-52-3
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Solid Phase Heat Capacity (Shomate Equation)
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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) | 298. to 836. | 836. to 1200. | 298. to 1285. |
|---|---|---|---|
| A | 97.46702 | -29.80808 | 29.53141 |
| B | -161.7722 | 165.9417 | 38.51900 |
| C | 252.2945 | -90.54326 | 0.122819 |
| D | -112.4711 | 21.87925 | -0.033319 |
| E | -1.522986 | 8.673614 | 0.490233 |
| F | -821.7519 | -767.3136 | -794.9281 |
| G | 204.3616 | 8.490512 | 95.09799 |
| H | -792.7605 | -792.7605 | -786.0750 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | α phase; Data last reviewed in December, 1979 | α phase; Data last reviewed in December, 1979 | β phase; Data last reviewed in December, 1979 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 51.54 | 56.94 | 56.99 | -0.01 |
| 300. | 51.68 | 57.28 | 56.99 | 0.09 |
| 400. | 56.41 | 72.89 | 59.08 | 5.52 |
| 500. | 59.50 | 85.81 | 63.17 | 11.32 |
| 600. | 62.71 | 96.94 | 67.89 | 17.43 |
| 700. | 66.17 | 106.9 | 72.76 | 23.87 |
| 800. | 69.55 | 115.9 | 77.60 | 30.66 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 836. | 70.83 | 119.0 | 79.29 | 33.18 |
| 900. | 72.86 | 124.3 | 82.30 | 37.78 |
| 1000. | 76.14 | 132.1 | 86.89 | 45.22 |
| 1100. | 79.46 | 139.5 | 91.34 | 53.00 |
| 1200. | 82.77 | 146.6 | 95.66 | 61.12 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 46.54 | 68.07 | 68.02 | 0.01 |
| 300. | 46.54 | 68.38 | 68.02 | 0.11 |
| 400. | 48.02 | 81.92 | 69.88 | 4.82 |
| 500. | 50.78 | 92.92 | 73.42 | 9.75 |
| 600. | 54.04 | 102.5 | 77.48 | 14.99 |
| 700. | 57.54 | 111.1 | 81.67 | 20.57 |
| 800. | 61.17 | 119.0 | 85.85 | 26.50 |
| 900. | 64.88 | 126.4 | 89.94 | 32.81 |
| 1000. | 68.63 | 133.4 | 93.94 | 39.48 |
| 1100. | 72.41 | 140.1 | 97.84 | 46.53 |
| 1200. | 76.21 | 146.6 | 101.6 | 53.96 |
References
Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References
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