Silane, trifluoromethyl-
- Formula: CH3F3Si
- Molecular weight: 100.1152
- IUPAC Standard InChI: InChI=1S/CH3F3Si/c1-5(2,3)4/h1H3
- IUPAC Standard InChIKey: BHOCBLDBJFCBQS-UHFFFAOYSA-N
- CAS Registry Number: 373-74-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Methyltrifluorosilane; Silicon carbide fluoride hydride (sicf3H3); Trifluoromethylsilane; CH3SiF3; SiCH3F3
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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. - 1500. |
|---|---|
| A | 14.08390 |
| B | 39.32481 |
| C | -23.28850 |
| D | 5.302620 |
| E | -0.192952 |
| F | -301.0301 |
| G | 80.30251 |
| H | -294.6250 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1960 |
| 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. | 21.70 | 75.07 | 75.10 | -0.01 |
| 300. | 21.78 | 75.22 | 75.10 | 0.03 |
| 400. | 25.22 | 81.98 | 76.00 | 2.39 |
| 500. | 27.82 | 87.90 | 77.80 | 5.05 |
| 600. | 29.90 | 93.16 | 79.93 | 7.94 |
| 700. | 31.62 | 97.90 | 82.16 | 11.02 |
| 800. | 33.05 | 102.2 | 84.40 | 14.26 |
| 900. | 34.24 | 106.2 | 86.61 | 17.62 |
| 1000. | 35.23 | 109.8 | 88.75 | 21.10 |
| 1100. | 36.06 | 113.2 | 90.82 | 24.66 |
| 1200. | 36.77 | 116.4 | 92.83 | 28.30 |
| 1300. | 37.38 | 119.4 | 94.76 | 32.01 |
| 1400. | 37.95 | 122.2 | 96.62 | 35.78 |
| 1500. | 38.48 | 124.8 | 98.41 | 39.60 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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