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 (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 836. | 836. to 1200. | 298. to 1285. |
|---|---|---|---|
| A | 407.8020 | -124.7170 | 123.5594 |
| B | -676.8550 | 694.3000 | 161.1635 |
| C | 1055.600 | -378.8330 | 0.513875 |
| D | -470.5790 | 91.54280 | -0.139405 |
| E | -6.372170 | 36.29040 | 2.051136 |
| F | -3438.210 | -3210.440 | -3325.979 |
| G | 855.0490 | 35.52430 | 397.8900 |
| H | -3316.910 | -3316.910 | -3288.938 |
| 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 (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 215.6 | 238.2 | 238.4 | -0.06 |
| 300. | 216.2 | 239.7 | 238.4 | 0.37 |
| 400. | 236.0 | 305.0 | 247.2 | 23.11 |
| 500. | 249.0 | 359.0 | 264.3 | 47.37 |
| 600. | 262.4 | 405.6 | 284.1 | 72.92 |
| 700. | 276.8 | 447.1 | 304.4 | 99.88 |
| 800. | 291.0 | 485.0 | 324.7 | 128.3 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 836. | 296.4 | 497.8 | 331.7 | 138.8 |
| 900. | 304.8 | 520.0 | 344.3 | 158.1 |
| 1000. | 318.6 | 552.8 | 363.6 | 189.2 |
| 1100. | 332.5 | 583.8 | 382.2 | 221.8 |
| 1200. | 346.3 | 613.3 | 400.2 | 255.7 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 194.7 | 284.8 | 284.6 | 0.06 |
| 300. | 194.7 | 286.1 | 284.6 | 0.45 |
| 400. | 200.9 | 342.8 | 292.4 | 20.16 |
| 500. | 212.5 | 388.8 | 307.2 | 40.80 |
| 600. | 226.1 | 428.7 | 324.2 | 62.72 |
| 700. | 240.8 | 464.7 | 341.7 | 86.06 |
| 800. | 256.0 | 497.8 | 359.2 | 110.9 |
| 900. | 271.5 | 528.8 | 376.3 | 137.3 |
| 1000. | 287.1 | 558.2 | 393.1 | 165.2 |
| 1100. | 303.0 | 586.3 | 409.4 | 194.7 |
| 1200. | 318.9 | 613.4 | 425.2 | 225.8 |
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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