Sulfur difluoride
- Formula: F2S
- Molecular weight: 70.062
- IUPAC Standard InChI: InChI=1S/F2S/c1-3-2
- IUPAC Standard InChIKey: QTJXVIKNLHZIKL-UHFFFAOYSA-N
- CAS Registry Number: 13814-25-0
- 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) | 298. to 1000. | 1000. to 6000. |
|---|---|---|
| A | 8.077180 | 13.86030 |
| B | 14.98100 | 0.029106 |
| C | -14.73570 | -0.006070 |
| D | 5.169319 | 0.000430 |
| E | -0.056921 | -0.452906 |
| F | -74.04551 | -76.36611 |
| G | 67.18901 | 76.30100 |
| H | -70.90019 | -70.90019 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in June, 1976 | Data last reviewed in June, 1976 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 10.73 | 61.59 | 61.59 | -0.00 |
| 300. | 10.75 | 61.66 | 61.59 | 0.02 |
| 400. | 11.69 | 64.89 | 62.03 | 1.15 |
| 500. | 12.30 | 67.57 | 62.88 | 2.35 |
| 600. | 12.72 | 69.85 | 63.85 | 3.60 |
| 700. | 13.00 | 71.83 | 64.85 | 4.89 |
| 800. | 13.19 | 73.58 | 65.84 | 6.20 |
| 900. | 13.32 | 75.14 | 66.79 | 7.52 |
| 1000. | 13.43 | 76.55 | 67.69 | 8.86 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1000. | 13.43 | 76.55 | 67.69 | 8.86 |
| 1100. | 13.51 | 77.84 | 68.56 | 10.21 |
| 1200. | 13.57 | 79.02 | 69.38 | 11.56 |
| 1300. | 13.62 | 80.10 | 70.16 | 12.92 |
| 1400. | 13.66 | 81.12 | 70.91 | 14.29 |
| 1500. | 13.69 | 82.06 | 71.62 | 15.65 |
| 1600. | 13.72 | 82.94 | 72.30 | 17.02 |
| 1700. | 13.74 | 83.78 | 72.95 | 18.40 |
| 1800. | 13.76 | 84.56 | 73.58 | 19.77 |
| 1900. | 13.77 | 85.31 | 74.18 | 21.15 |
| 2000. | 13.78 | 86.01 | 74.75 | 22.52 |
| 2100. | 13.80 | 86.68 | 75.30 | 23.90 |
| 2200. | 13.81 | 87.33 | 75.83 | 25.28 |
| 2300. | 13.81 | 87.94 | 76.35 | 26.67 |
| 2400. | 13.82 | 88.53 | 76.84 | 28.05 |
| 2500. | 13.83 | 89.09 | 77.32 | 29.43 |
| 2600. | 13.84 | 89.64 | 77.78 | 30.81 |
| 2700. | 13.84 | 90.16 | 78.23 | 32.20 |
| 2800. | 13.85 | 90.66 | 78.67 | 33.58 |
| 2900. | 13.85 | 91.15 | 79.09 | 34.97 |
| 3000. | 13.85 | 91.62 | 79.50 | 36.35 |
| 3100. | 13.86 | 92.07 | 79.90 | 37.74 |
| 3200. | 13.86 | 92.51 | 80.29 | 39.12 |
| 3300. | 13.86 | 92.94 | 80.66 | 40.51 |
| 3400. | 13.87 | 93.35 | 81.03 | 41.90 |
| 3500. | 13.87 | 93.75 | 81.39 | 43.28 |
| 3600. | 13.87 | 94.14 | 81.74 | 44.67 |
| 3700. | 13.87 | 94.52 | 82.08 | 46.06 |
| 3800. | 13.88 | 94.89 | 82.41 | 47.44 |
| 3900. | 13.88 | 95.26 | 82.73 | 48.83 |
| 4000. | 13.88 | 95.61 | 83.05 | 50.22 |
| 4100. | 13.88 | 95.95 | 83.36 | 51.61 |
| 4200. | 13.88 | 96.28 | 83.67 | 53.00 |
| 4300. | 13.88 | 96.61 | 83.96 | 54.38 |
| 4400. | 13.88 | 96.93 | 84.25 | 55.77 |
| 4500. | 13.89 | 97.24 | 84.54 | 57.16 |
| 4600. | 13.89 | 97.55 | 84.82 | 58.55 |
| 4700. | 13.89 | 97.85 | 85.09 | 59.94 |
| 4800. | 13.89 | 98.14 | 85.36 | 61.33 |
| 4900. | 13.89 | 98.42 | 85.63 | 62.72 |
| 5000. | 13.89 | 98.70 | 85.88 | 64.10 |
| 5100. | 13.89 | 98.98 | 86.14 | 65.49 |
| 5200. | 13.89 | 99.25 | 86.39 | 66.88 |
| 5300. | 13.89 | 99.51 | 86.63 | 68.27 |
| 5400. | 13.89 | 99.77 | 86.87 | 69.66 |
| 5500. | 13.89 | 100.0 | 87.11 | 71.05 |
| 5600. | 13.89 | 100.3 | 87.34 | 72.44 |
| 5700. | 13.89 | 100.5 | 87.57 | 73.83 |
| 5800. | 13.90 | 100.8 | 87.80 | 75.22 |
| 5900. | 13.90 | 101.0 | 88.02 | 76.61 |
| 6000. | 13.90 | 101.2 | 88.24 | 78.00 |
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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