Zirconium fluoride
- Formula: F2Zr
- Molecular weight: 129.221
- CAS Registry Number: 13842-94-9
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Liquid 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) | 1175. to 3000. |
|---|---|
| A | 24.00000 |
| B | 2.371511×10-8 |
| C | -1.035180×10-8 |
| D | 1.513401×10-9 |
| E | 3.956040×10-9 |
| F | -234.2300 |
| G | 46.68731 |
| H | -223.9370 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1969 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1175. | 24.00 | 50.56 | 35.32 | 17.91 |
| 1200. | 24.00 | 51.06 | 35.64 | 18.51 |
| 1300. | 24.00 | 52.98 | 36.90 | 20.91 |
| 1400. | 24.00 | 54.76 | 38.11 | 23.31 |
| 1500. | 24.00 | 56.42 | 39.28 | 25.71 |
| 1600. | 24.00 | 57.97 | 40.40 | 28.11 |
| 1700. | 24.00 | 59.42 | 41.48 | 30.51 |
| 1800. | 24.00 | 60.79 | 42.51 | 32.91 |
| 1900. | 24.00 | 62.09 | 43.51 | 35.31 |
| 2000. | 24.00 | 63.32 | 44.47 | 37.71 |
| 2100. | 24.00 | 64.49 | 45.40 | 40.11 |
| 2200. | 24.00 | 65.61 | 46.29 | 42.51 |
| 2300. | 24.00 | 66.68 | 47.15 | 44.91 |
| 2400. | 24.00 | 67.70 | 47.99 | 47.31 |
| 2500. | 24.00 | 68.68 | 48.80 | 49.71 |
| 2600. | 24.00 | 69.62 | 49.58 | 52.11 |
| 2700. | 24.00 | 70.53 | 50.34 | 54.51 |
| 2800. | 24.00 | 71.40 | 51.07 | 56.91 |
| 2900. | 24.00 | 72.24 | 51.79 | 59.31 |
| 3000. | 24.00 | 73.05 | 52.49 | 61.71 |
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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