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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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.
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| Temperature (K) | 298. to 3000. |
|---|---|
| A | 11.61570 |
| B | 0.880849 |
| C | 0.005112 |
| D | 0.003601 |
| E | -0.088246 |
| F | -86.43131 |
| G | 25.31900 |
| H | -82.63009 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1977 |
| 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. | 10.89 | 12.02 | 12.03 | -0.00 |
| 300. | 10.90 | 12.09 | 12.03 | 0.02 |
| 400. | 11.42 | 15.30 | 12.46 | 1.14 |
| 500. | 11.70 | 17.89 | 13.30 | 2.29 |
| 600. | 11.90 | 20.04 | 14.25 | 3.47 |
| 700. | 12.06 | 21.88 | 15.21 | 4.67 |
| 800. | 12.19 | 23.50 | 16.15 | 5.88 |
| 900. | 12.31 | 24.95 | 17.05 | 7.11 |
| 1000. | 12.42 | 26.25 | 17.90 | 8.35 |
| 1100. | 12.52 | 27.44 | 18.72 | 9.59 |
| 1200. | 12.63 | 28.53 | 19.49 | 10.85 |
| 1300. | 12.73 | 29.54 | 20.22 | 12.12 |
| 1400. | 12.82 | 30.49 | 20.92 | 13.40 |
| 1500. | 12.92 | 31.38 | 21.59 | 14.68 |
| 1600. | 13.02 | 32.22 | 22.23 | 15.98 |
| 1700. | 13.12 | 33.01 | 22.84 | 17.29 |
| 1800. | 13.21 | 33.76 | 23.43 | 18.60 |
| 1900. | 13.31 | 34.48 | 23.99 | 19.93 |
| 2000. | 13.40 | 35.16 | 24.53 | 21.26 |
| 2100. | 13.50 | 35.82 | 25.05 | 22.61 |
| 2200. | 13.60 | 36.45 | 25.56 | 23.96 |
| 2300. | 13.70 | 37.06 | 26.04 | 25.33 |
| 2400. | 13.79 | 37.64 | 26.51 | 26.70 |
| 2500. | 13.89 | 38.21 | 26.97 | 28.09 |
| 2600. | 13.99 | 38.75 | 27.41 | 29.48 |
| 2700. | 14.09 | 39.28 | 27.84 | 30.89 |
| 2800. | 14.19 | 39.80 | 28.26 | 32.30 |
| 2900. | 14.29 | 40.30 | 28.67 | 33.72 |
| 3000. | 14.39 | 40.78 | 29.06 | 35.16 |
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
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