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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Gas 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 800. | 800. to 2000. | 2000. to 6000. |
|---|---|---|---|
| A | 51.11480 | 199.0350 | 34.52960 |
| B | -139.9390 | -190.3110 | 1.196611 |
| C | 360.4070 | 84.05370 | 0.015877 |
| D | -223.8690 | -13.15290 | -0.004516 |
| E | -0.078348 | -24.82510 | 25.05680 |
| F | 133.2030 | 25.63380 | 168.0760 |
| G | 314.5860 | 421.0220 | 291.2810 |
| H | 145.2270 | 145.2270 | 145.2270 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in September, 1977 | Data last reviewed in September, 1977 | 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. | 34.61 | 225.5 | 225.5 | -0.00 |
| 300. | 34.65 | 225.7 | 225.5 | 0.06 |
| 400. | 37.99 | 236.1 | 226.9 | 3.68 |
| 500. | 42.95 | 245.1 | 229.6 | 7.72 |
| 600. | 48.32 | 253.4 | 232.9 | 12.28 |
| 700. | 52.81 | 261.2 | 236.4 | 17.35 |
| 800. | 55.08 | 268.4 | 240.0 | 22.77 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 800. | 55.06 | 268.4 | 240.0 | 22.76 |
| 900. | 55.60 | 274.9 | 243.5 | 28.31 |
| 1000. | 54.80 | 280.8 | 246.9 | 33.84 |
| 1100. | 53.37 | 285.9 | 250.2 | 39.25 |
| 1200. | 51.73 | 290.5 | 253.4 | 44.51 |
| 1300. | 50.10 | 294.6 | 256.4 | 49.60 |
| 1400. | 48.59 | 298.2 | 259.3 | 54.53 |
| 1500. | 47.26 | 301.5 | 262.0 | 59.32 |
| 1600. | 46.14 | 304.6 | 264.6 | 63.99 |
| 1700. | 45.21 | 307.3 | 267.0 | 68.56 |
| 1800. | 44.44 | 309.9 | 269.3 | 73.04 |
| 1900. | 43.79 | 312.3 | 271.5 | 77.45 |
| 2000. | 43.20 | 314.5 | 273.6 | 81.80 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 2000. | 43.21 | 314.5 | 273.6 | 81.80 |
| 2100. | 42.75 | 316.6 | 275.6 | 86.09 |
| 2200. | 42.37 | 318.6 | 277.5 | 90.35 |
| 2300. | 42.05 | 320.4 | 279.3 | 94.57 |
| 2400. | 41.78 | 322.2 | 281.1 | 98.76 |
| 2500. | 41.56 | 323.9 | 282.8 | 102.9 |
| 2600. | 41.38 | 325.6 | 284.4 | 107.1 |
| 2700. | 41.22 | 327.1 | 285.9 | 111.2 |
| 2800. | 41.10 | 328.6 | 287.4 | 115.3 |
| 2900. | 41.00 | 330.1 | 288.9 | 119.4 |
| 3000. | 40.92 | 331.4 | 290.3 | 123.5 |
| 3100. | 40.86 | 332.8 | 291.6 | 127.6 |
| 3200. | 40.82 | 334.1 | 292.9 | 131.7 |
| 3300. | 40.79 | 335.3 | 294.2 | 135.8 |
| 3400. | 40.77 | 336.6 | 295.4 | 139.9 |
| 3500. | 40.76 | 337.7 | 296.6 | 143.9 |
| 3600. | 40.77 | 338.9 | 297.8 | 148.0 |
| 3700. | 40.78 | 340.0 | 298.9 | 152.1 |
| 3800. | 40.79 | 341.1 | 300.0 | 156.2 |
| 3900. | 40.82 | 342.1 | 301.1 | 160.2 |
| 4000. | 40.85 | 343.2 | 302.1 | 164.3 |
| 4100. | 40.88 | 344.2 | 303.1 | 168.4 |
| 4200. | 40.92 | 345.2 | 304.1 | 172.5 |
| 4300. | 40.96 | 346.1 | 305.1 | 176.6 |
| 4400. | 41.01 | 347.1 | 306.0 | 180.7 |
| 4500. | 41.06 | 348.0 | 306.9 | 184.8 |
| 4600. | 41.11 | 348.9 | 307.8 | 188.9 |
| 4700. | 41.17 | 349.8 | 308.7 | 193.0 |
| 4800. | 41.23 | 350.7 | 309.6 | 197.1 |
| 4900. | 41.29 | 351.5 | 310.4 | 201.3 |
| 5000. | 41.35 | 352.3 | 311.3 | 205.4 |
| 5100. | 41.41 | 353.2 | 312.1 | 209.5 |
| 5200. | 41.47 | 354.0 | 312.9 | 213.7 |
| 5300. | 41.54 | 354.8 | 313.7 | 217.8 |
| 5400. | 41.60 | 355.5 | 314.4 | 222.0 |
| 5500. | 41.67 | 356.3 | 315.2 | 226.2 |
| 5600. | 41.73 | 357.1 | 315.9 | 230.3 |
| 5700. | 41.80 | 357.8 | 316.7 | 234.5 |
| 5800. | 41.87 | 358.5 | 317.4 | 238.7 |
| 5900. | 41.93 | 359.2 | 318.1 | 242.9 |
| 6000. | 42.00 | 359.9 | 318.8 | 247.1 |
References
Go To: Top, Gas 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, Gas Phase Heat Capacity (Shomate Equation), References
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