iron difluoride
- Formula: F2Fe
- Molecular weight: 93.842
- CAS Registry Number: 7789-28-8
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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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1373. to 3000. |
|---|---|
| A | 98.32400 |
| B | 2.199027×10-10 |
| C | -1.201491×10-10 |
| D | 2.045362×10-11 |
| E | 7.122801×10-12 |
| F | -703.8660 |
| G | 211.5246 |
| H | -674.5487 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1965 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1373. | 98.32 | 242.7 | 165.7 | 105.7 |
| 1400. | 98.32 | 244.6 | 167.2 | 108.3 |
| 1500. | 98.32 | 251.4 | 172.6 | 118.2 |
| 1600. | 98.32 | 257.7 | 177.7 | 128.0 |
| 1700. | 98.32 | 263.7 | 182.6 | 137.8 |
| 1800. | 98.32 | 269.3 | 187.3 | 147.7 |
| 1900. | 98.32 | 274.6 | 191.7 | 157.5 |
| 2000. | 98.32 | 279.7 | 196.0 | 167.3 |
| 2100. | 98.32 | 284.5 | 200.1 | 177.2 |
| 2200. | 98.32 | 289.0 | 204.1 | 187.0 |
| 2300. | 98.32 | 293.4 | 207.8 | 196.8 |
| 2400. | 98.32 | 297.6 | 211.5 | 206.7 |
| 2500. | 98.32 | 301.6 | 215.0 | 216.5 |
| 2600. | 98.32 | 305.5 | 218.4 | 226.3 |
| 2700. | 98.32 | 309.2 | 221.7 | 236.2 |
| 2800. | 98.32 | 312.8 | 224.9 | 246.0 |
| 2900. | 98.32 | 316.2 | 228.0 | 255.8 |
| 3000. | 98.32 | 319.5 | 231.0 | 265.7 |
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
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