magnesium iodide
- Formula: I2Mg
- Molecular weight: 278.1139
- CAS Registry Number: 10377-58-9
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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) | 2000. to 6000. |
|---|---|
| A | 62.15583 |
| B | 0.172854 |
| C | -0.046867 |
| D | 0.004001 |
| E | -0.232487 |
| F | -179.5660 |
| G | 391.3429 |
| H | -160.2472 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1974 |
| 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. | 62.29 | 434.7 | 382.0 | 105.3 |
| 2100. | 62.30 | 437.8 | 384.6 | 111.6 |
| 2200. | 62.30 | 440.7 | 387.1 | 117.8 |
| 2300. | 62.31 | 443.4 | 389.5 | 124.0 |
| 2400. | 62.32 | 446.1 | 391.8 | 130.3 |
| 2500. | 62.32 | 448.6 | 394.0 | 136.5 |
| 2600. | 62.32 | 451.1 | 396.2 | 142.7 |
| 2700. | 62.33 | 453.4 | 398.2 | 149.0 |
| 2800. | 62.33 | 455.7 | 400.3 | 155.2 |
| 2900. | 62.33 | 457.9 | 402.2 | 161.4 |
| 3000. | 62.33 | 460.0 | 404.1 | 167.7 |
| 3100. | 62.34 | 462.0 | 405.9 | 173.9 |
| 3200. | 62.34 | 464.0 | 407.7 | 180.1 |
| 3300. | 62.34 | 465.9 | 409.5 | 186.4 |
| 3400. | 62.34 | 467.8 | 411.1 | 192.6 |
| 3500. | 62.34 | 469.6 | 412.8 | 198.8 |
| 3600. | 62.34 | 471.4 | 414.4 | 205.1 |
| 3700. | 62.34 | 473.1 | 416.0 | 211.3 |
| 3800. | 62.34 | 474.7 | 417.5 | 217.5 |
| 3900. | 62.34 | 476.3 | 419.0 | 223.8 |
| 4000. | 62.34 | 477.9 | 420.4 | 230.0 |
| 4100. | 62.34 | 479.5 | 421.8 | 236.2 |
| 4200. | 62.34 | 481.0 | 423.2 | 242.5 |
| 4300. | 62.34 | 482.4 | 424.6 | 248.7 |
| 4400. | 62.34 | 483.9 | 425.9 | 254.9 |
| 4500. | 62.34 | 485.3 | 427.2 | 261.2 |
| 4600. | 62.34 | 486.6 | 428.5 | 267.4 |
| 4700. | 62.34 | 488.0 | 429.8 | 273.6 |
| 4800. | 62.34 | 489.3 | 431.0 | 279.9 |
| 4900. | 62.34 | 490.6 | 432.2 | 286.1 |
| 5000. | 62.34 | 491.8 | 433.4 | 292.3 |
| 5100. | 62.34 | 493.1 | 434.5 | 298.6 |
| 5200. | 62.34 | 494.3 | 435.7 | 304.8 |
| 5300. | 62.34 | 495.5 | 436.8 | 311.0 |
| 5400. | 62.34 | 496.6 | 437.9 | 317.3 |
| 5500. | 62.35 | 497.8 | 439.0 | 323.5 |
| 5600. | 62.35 | 498.9 | 440.0 | 329.7 |
| 5700. | 62.35 | 500.0 | 441.1 | 336.0 |
| 5800. | 62.36 | 501.1 | 442.1 | 342.2 |
| 5900. | 62.36 | 502.1 | 443.1 | 348.5 |
| 6000. | 62.36 | 503.2 | 444.1 | 354.7 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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