Iron sulfide
- Formula: FeS
- Molecular weight: 87.910
- IUPAC Standard InChI: InChI=1S/Fe.S
- IUPAC Standard InChIKey: MBMLMWLHJBBADN-UHFFFAOYSA-N
- CAS Registry Number: 1317-96-0
- Chemical structure:
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Solid 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.
| Temperature (K) | 298. - 411. | 411. - 598. | 598. - 1463. |
|---|---|---|---|
| A | 2208.549 | 17.29644 | 22.90339 |
| B | -13149.33 | -0.014496 | -20.44969 |
| C | 29039.67 | 0.028798 | 11.64443 |
| D | -22272.25 | -0.018945 | -0.000024 |
| E | -23.74744 | -0.000004 | 0.000017 |
| F | -390.5378 | -29.19121 | -29.62381 |
| G | 5380.067 | 35.84465 | 49.02844 |
| H | -24.29995 | -24.29995 | -24.29995 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | troilite phase; Data last reviewed in September, 1977 | troilite phase; Data last reviewed in September, 1977 | troilite phase; Data last reviewed in September, 1977 |
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References
Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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