Difluorooxosilane
- Formula: F2OSi
- Molecular weight: 82.0817
- IUPAC Standard InChI: InChI=1S/F2OSi/c1-4(2)3
- IUPAC Standard InChIKey: KSMSUXMVDODGKV-UHFFFAOYSA-N
- CAS Registry Number: 14041-22-6
- 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. - 1100. | 1100. - 6000. |
|---|---|---|
| A | 7.745041 | 19.66240 |
| B | 26.96360 | 0.116833 |
| C | -23.41150 | -0.023609 |
| D | 7.336760 | 0.001633 |
| E | -0.095121 | -1.223451 |
| F | -234.6350 | -240.2189 |
| G | 66.60251 | 83.63671 |
| H | -231.0000 | -231.0000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in September, 1963 | Data last reviewed in September, 1963 |
| 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. | 12.82 | 64.82 | 64.83 | -0.00 |
| 300. | 12.87 | 64.91 | 64.83 | 0.02 |
| 400. | 14.66 | 68.87 | 65.36 | 1.41 |
| 500. | 15.91 | 72.29 | 66.41 | 2.94 |
| 600. | 16.82 | 75.27 | 67.64 | 4.58 |
| 700. | 17.47 | 77.91 | 68.93 | 6.29 |
| 800. | 17.94 | 80.28 | 70.20 | 8.06 |
| 900. | 18.28 | 82.41 | 71.44 | 9.88 |
| 1000. | 18.54 | 84.35 | 72.64 | 11.72 |
| 1100. | 18.76 | 86.13 | 73.78 | 13.58 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1100. | 18.75 | 86.13 | 73.78 | 13.58 |
| 1200. | 18.92 | 87.77 | 74.88 | 15.47 |
| 1300. | 19.05 | 89.29 | 75.93 | 17.37 |
| 1400. | 19.16 | 90.71 | 76.94 | 19.28 |
| 1500. | 19.25 | 92.03 | 77.90 | 21.20 |
| 1600. | 19.32 | 93.28 | 78.82 | 23.13 |
| 1700. | 19.38 | 94.45 | 79.71 | 25.06 |
| 1800. | 19.43 | 95.56 | 80.56 | 27.00 |
| 1900. | 19.47 | 96.61 | 81.38 | 28.95 |
| 2000. | 19.51 | 97.61 | 82.16 | 30.89 |
| 2100. | 19.54 | 98.56 | 82.92 | 32.85 |
| 2200. | 19.57 | 99.47 | 83.65 | 34.80 |
| 2300. | 19.59 | 100.3 | 84.36 | 36.76 |
| 2400. | 19.62 | 101.2 | 85.04 | 38.72 |
| 2500. | 19.64 | 102.0 | 85.70 | 40.68 |
| 2600. | 19.65 | 102.7 | 86.34 | 42.65 |
| 2700. | 19.67 | 103.5 | 86.97 | 44.62 |
| 2800. | 19.68 | 104.2 | 87.57 | 46.58 |
| 2900. | 19.70 | 104.9 | 88.15 | 48.55 |
| 3000. | 19.71 | 105.6 | 88.72 | 50.52 |
| 3100. | 19.72 | 106.2 | 89.28 | 52.49 |
| 3200. | 19.73 | 106.8 | 89.82 | 54.47 |
| 3300. | 19.74 | 107.4 | 90.34 | 56.44 |
| 3400. | 19.75 | 108.0 | 90.85 | 58.41 |
| 3500. | 19.75 | 108.6 | 91.35 | 60.39 |
| 3600. | 19.76 | 109.2 | 91.84 | 62.36 |
| 3700. | 19.76 | 109.7 | 92.32 | 64.34 |
| 3800. | 19.77 | 110.2 | 92.78 | 66.32 |
| 3900. | 19.78 | 110.7 | 93.23 | 68.29 |
| 4000. | 19.78 | 111.2 | 93.68 | 70.27 |
| 4100. | 19.78 | 111.7 | 94.11 | 72.25 |
| 4200. | 19.79 | 112.2 | 94.54 | 74.23 |
| 4300. | 19.79 | 112.7 | 94.95 | 76.21 |
| 4400. | 19.80 | 113.1 | 95.36 | 78.19 |
| 4500. | 19.80 | 113.6 | 95.76 | 80.17 |
| 4600. | 19.80 | 114.0 | 96.15 | 82.15 |
| 4700. | 19.80 | 114.4 | 96.54 | 84.13 |
| 4800. | 19.81 | 114.9 | 96.92 | 86.11 |
| 4900. | 19.81 | 115.3 | 97.29 | 88.09 |
| 5000. | 19.81 | 115.7 | 97.65 | 90.07 |
| 5100. | 19.81 | 116.1 | 98.01 | 92.05 |
| 5200. | 19.82 | 116.4 | 98.36 | 94.03 |
| 5300. | 19.82 | 116.8 | 98.70 | 96.01 |
| 5400. | 19.82 | 117.2 | 99.04 | 98.00 |
| 5500. | 19.82 | 117.6 | 99.37 | 99.98 |
| 5600. | 19.82 | 117.9 | 99.70 | 102.0 |
| 5700. | 19.83 | 118.3 | 100.0 | 103.9 |
| 5800. | 19.83 | 118.6 | 100.3 | 105.9 |
| 5900. | 19.83 | 118.9 | 100.7 | 107.9 |
| 6000. | 19.83 | 119.3 | 101.0 | 109.9 |
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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