magnesium sulphide
- Formula: MgS
- Molecular weight: 56.370
- IUPAC Standard InChI: InChI=1S/Mg.S
- IUPAC Standard InChIKey: SMDQFHZIWNYSMR-UHFFFAOYSA-N
- CAS Registry Number: 12032-36-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Magnesium sulfide
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Condensed phase thermochemistry data
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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -345.72 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1977 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 50.30 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1977 |
Solid Phase Heat Capacity (Shomate Equation)
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) | 298. to 3000. |
|---|---|
| A | 48.60009 |
| B | 3.685472 |
| C | 0.021388 |
| D | 0.015067 |
| E | -0.369222 |
| F | -361.6286 |
| G | 105.9347 |
| H | -345.7243 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1977 |
References
Go To: Top, Condensed phase thermochemistry data, 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, Condensed phase thermochemistry data, References
- Symbols used in this document:
S°solid Entropy of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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