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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 3500. to 6000. |
|---|---|
| A | 13.83100 |
| B | 0.067864 |
| C | -0.018403 |
| D | 0.001571 |
| E | -0.089755 |
| F | -196.5280 |
| G | 88.22211 |
| H | -192.1000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1972 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 3500. | 13.90 | 105.7 | 93.07 | 44.22 |
| 3600. | 13.90 | 106.1 | 93.42 | 45.61 |
| 3700. | 13.90 | 106.5 | 93.77 | 47.00 |
| 3800. | 13.90 | 106.8 | 94.11 | 48.39 |
| 3900. | 13.90 | 107.2 | 94.44 | 49.78 |
| 4000. | 13.90 | 107.6 | 94.76 | 51.17 |
| 4100. | 13.90 | 107.9 | 95.08 | 52.56 |
| 4200. | 13.90 | 108.2 | 95.39 | 53.95 |
| 4300. | 13.90 | 108.6 | 95.69 | 55.34 |
| 4400. | 13.90 | 108.9 | 95.99 | 56.73 |
| 4500. | 13.90 | 109.2 | 96.28 | 58.12 |
| 4600. | 13.90 | 109.5 | 96.56 | 59.51 |
| 4700. | 13.90 | 109.8 | 96.84 | 60.90 |
| 4800. | 13.90 | 110.1 | 97.11 | 62.29 |
| 4900. | 13.90 | 110.4 | 97.38 | 63.68 |
| 5000. | 13.90 | 110.7 | 97.64 | 65.07 |
| 5100. | 13.90 | 110.9 | 97.90 | 66.46 |
| 5200. | 13.90 | 111.2 | 98.16 | 67.85 |
| 5300. | 13.90 | 111.5 | 98.40 | 69.24 |
| 5400. | 13.91 | 111.7 | 98.65 | 70.63 |
| 5500. | 13.91 | 112.0 | 98.89 | 72.02 |
| 5600. | 13.91 | 112.2 | 99.12 | 73.41 |
| 5700. | 13.91 | 112.5 | 99.36 | 74.81 |
| 5800. | 13.91 | 112.7 | 99.59 | 76.20 |
| 5900. | 13.91 | 113.0 | 99.81 | 77.59 |
| 6000. | 13.91 | 113.2 | 100.0 | 78.98 |
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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