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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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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1641. - 3500. |
|---|---|
| A | 23.85900 |
| B | -8.382971×10-9 |
| C | 2.967510×10-9 |
| D | -3.565220×10-10 |
| E | -2.912601×10-9 |
| F | -290.0810 |
| G | 52.13700 |
| H | -279.9460 |
| 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) |
|---|---|---|---|---|
| 1641. | 23.86 | 63.95 | 46.27 | 29.02 |
| 1700. | 23.86 | 64.80 | 46.90 | 30.43 |
| 1800. | 23.86 | 66.16 | 47.93 | 32.81 |
| 1900. | 23.86 | 67.45 | 48.93 | 35.20 |
| 2000. | 23.86 | 68.67 | 49.88 | 37.58 |
| 2100. | 23.86 | 69.84 | 50.81 | 39.97 |
| 2200. | 23.86 | 70.95 | 51.70 | 42.35 |
| 2300. | 23.86 | 72.01 | 52.56 | 44.74 |
| 2400. | 23.86 | 73.02 | 53.39 | 47.13 |
| 2500. | 23.86 | 74.00 | 54.19 | 49.51 |
| 2600. | 23.86 | 74.93 | 54.97 | 51.90 |
| 2700. | 23.86 | 75.83 | 55.73 | 54.28 |
| 2800. | 23.86 | 76.70 | 56.46 | 56.67 |
| 2900. | 23.86 | 77.54 | 57.18 | 59.06 |
| 3000. | 23.86 | 78.35 | 57.87 | 61.44 |
| 3100. | 23.86 | 79.13 | 58.54 | 63.83 |
| 3200. | 23.86 | 79.89 | 59.20 | 66.21 |
| 3300. | 23.86 | 80.62 | 59.84 | 68.60 |
| 3400. | 23.86 | 81.34 | 60.46 | 70.99 |
| 3500. | 23.86 | 82.03 | 61.06 | 73.37 |
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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