silicon
- Formula: Si
- Molecular weight: 28.0855
- IUPAC Standard InChI: InChI=1S/Si
- IUPAC Standard InChIKey: XUIMIQQOPSSXEZ-UHFFFAOYSA-N
- CAS Registry Number: 7440-21-3
- Chemical structure:
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- Other data available:
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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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1685. - 3504.616 |
|---|---|
| A | 27.19604 |
| B | -1.198306×10-10 |
| C | 5.353262×10-11 |
| D | -6.956612×10-12 |
| E | -4.294375×10-12 |
| F | 40.36163 |
| G | 77.37178 |
| H | 48.46997 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in March, 1967 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1685. | 27.20 | 91.56 | 69.18 | 37.72 |
| 1700. | 27.20 | 91.80 | 69.38 | 38.12 |
| 1800. | 27.20 | 93.36 | 70.67 | 40.84 |
| 1900. | 27.20 | 94.83 | 71.90 | 43.56 |
| 2000. | 27.20 | 96.22 | 73.08 | 46.28 |
| 2100. | 27.20 | 97.55 | 74.21 | 49.00 |
| 2200. | 27.20 | 98.81 | 75.30 | 51.72 |
| 2300. | 27.20 | 100.0 | 76.35 | 54.44 |
| 2400. | 27.20 | 101.2 | 77.36 | 57.16 |
| 2500. | 27.20 | 102.3 | 78.34 | 59.88 |
| 2600. | 27.20 | 103.4 | 79.28 | 62.60 |
| 2700. | 27.20 | 104.4 | 80.19 | 65.32 |
| 2800. | 27.20 | 105.4 | 81.07 | 68.04 |
| 2900. | 27.20 | 106.3 | 81.93 | 70.76 |
| 3000. | 27.20 | 107.2 | 82.76 | 73.48 |
| 3100. | 27.20 | 108.1 | 83.56 | 76.20 |
| 3200. | 27.20 | 109.0 | 84.34 | 78.92 |
| 3300. | 27.20 | 109.8 | 85.10 | 81.64 |
| 3400. | 27.20 | 110.7 | 85.84 | 84.36 |
| 3500. | 27.20 | 111.4 | 86.56 | 87.08 |
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
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