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 (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 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 45.54 | 50.27 | 50.34 | -0.02 |
| 300. | 45.61 | 50.58 | 50.34 | 0.07 |
| 400. | 47.77 | 64.03 | 52.15 | 4.75 |
| 500. | 48.97 | 74.83 | 55.64 | 9.60 |
| 600. | 49.80 | 83.84 | 59.61 | 14.54 |
| 700. | 50.44 | 91.56 | 63.64 | 19.55 |
| 800. | 50.99 | 98.34 | 67.56 | 24.62 |
| 900. | 51.49 | 104.4 | 71.32 | 29.75 |
| 1000. | 51.95 | 109.8 | 74.90 | 34.92 |
| 1100. | 52.39 | 114.8 | 78.31 | 40.14 |
| 1200. | 52.82 | 119.4 | 81.54 | 45.40 |
| 1300. | 53.24 | 123.6 | 84.61 | 50.70 |
| 1400. | 53.65 | 127.6 | 87.54 | 56.05 |
| 1500. | 54.06 | 131.3 | 90.34 | 61.43 |
| 1600. | 54.47 | 134.8 | 93.01 | 66.86 |
| 1700. | 54.87 | 138.1 | 95.56 | 72.33 |
| 1800. | 55.28 | 141.3 | 98.02 | 77.83 |
| 1900. | 55.68 | 144.3 | 100.4 | 83.38 |
| 2000. | 56.08 | 147.1 | 102.6 | 88.97 |
| 2100. | 56.49 | 149.9 | 104.8 | 94.60 |
| 2200. | 56.90 | 152.5 | 106.9 | 100.3 |
| 2300. | 57.30 | 155.0 | 109.0 | 106.0 |
| 2400. | 57.71 | 157.5 | 110.9 | 111.7 |
| 2500. | 58.12 | 159.9 | 112.8 | 117.5 |
| 2600. | 58.54 | 162.1 | 114.7 | 123.4 |
| 2700. | 58.95 | 164.4 | 116.5 | 129.2 |
| 2800. | 59.37 | 166.5 | 118.2 | 135.1 |
| 2900. | 59.79 | 168.6 | 119.9 | 141.1 |
| 3000. | 60.21 | 170.6 | 121.6 | 147.1 |
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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