Barium fluoride
- Formula: BaF2
- Molecular weight: 175.324
- IUPAC Standard InChI: InChI=1S/Ba.2FH/h;2*1H/q+2;;/p-2
- IUPAC Standard InChIKey: OYLGJCQECKOTOL-UHFFFAOYSA-L
- CAS Registry Number: 7787-32-8
- Chemical structure:
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Gas 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) | 3500. to 6000. |
|---|---|
| A | 57.86890 |
| B | 0.283943 |
| C | -0.076997 |
| D | 0.006573 |
| E | -0.375534 |
| F | -822.2732 |
| G | 369.1213 |
| H | -803.7464 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1972 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 3500. | 58.17 | 442.2 | 389.4 | 185.0 |
| 3600. | 58.17 | 443.9 | 390.9 | 190.8 |
| 3700. | 58.17 | 445.5 | 392.3 | 196.6 |
| 3800. | 58.17 | 447.0 | 393.8 | 202.5 |
| 3900. | 58.17 | 448.5 | 395.1 | 208.3 |
| 4000. | 58.17 | 450.0 | 396.5 | 214.1 |
| 4100. | 58.17 | 451.5 | 397.8 | 219.9 |
| 4200. | 58.17 | 452.9 | 399.1 | 225.7 |
| 4300. | 58.17 | 454.2 | 400.4 | 231.5 |
| 4400. | 58.17 | 455.6 | 401.6 | 237.4 |
| 4500. | 58.17 | 456.9 | 402.8 | 243.2 |
| 4600. | 58.17 | 458.1 | 404.0 | 249.0 |
| 4700. | 58.17 | 459.4 | 405.2 | 254.8 |
| 4800. | 58.17 | 460.6 | 406.3 | 260.6 |
| 4900. | 58.17 | 461.8 | 407.4 | 266.4 |
| 5000. | 58.17 | 463.0 | 408.5 | 272.3 |
| 5100. | 58.17 | 464.1 | 409.6 | 278.1 |
| 5200. | 58.17 | 465.3 | 410.7 | 283.9 |
| 5300. | 58.18 | 466.4 | 411.7 | 289.7 |
| 5400. | 58.18 | 467.5 | 412.7 | 295.5 |
| 5500. | 58.18 | 468.5 | 413.8 | 301.3 |
| 5600. | 58.19 | 469.6 | 414.7 | 307.2 |
| 5700. | 58.19 | 470.6 | 415.7 | 313.0 |
| 5800. | 58.20 | 471.6 | 416.7 | 318.8 |
| 5900. | 58.20 | 472.6 | 417.6 | 324.6 |
| 6000. | 58.21 | 473.6 | 418.5 | 330.4 |
References
Go To: Top, Gas 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, Gas Phase Heat Capacity (Shomate Equation), References
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