Dialuminum
- Formula: Al2
- Molecular weight: 53.9630772
- IUPAC Standard InChI: InChI=1S/2Al
- IUPAC Standard InChIKey: QSDQMOYYLXMEPS-UHFFFAOYSA-N
- CAS Registry Number: 32752-94-6
- Chemical structure:
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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. - 1400. | 1400. - 6000. |
|---|---|---|
| A | 44.50856 | 36.79740 |
| B | 7.132339 | 0.736635 |
| C | -15.69858 | 0.293771 |
| D | 6.284242 | -0.023379 |
| E | -0.621341 | 4.461483 |
| F | 471.4573 | 483.5867 |
| G | 282.3715 | 285.3103 |
| H | 487.0176 | 487.0176 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in June, 1979 | Data last reviewed in June, 1979 |
| 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. | 38.41 | 233.5 | 233.5 | -0.02 |
| 300. | 38.50 | 233.7 | 233.5 | 0.06 |
| 400. | 41.37 | 245.3 | 235.1 | 4.07 |
| 500. | 42.45 | 254.6 | 238.1 | 8.27 |
| 600. | 42.77 | 262.4 | 241.5 | 12.54 |
| 700. | 42.70 | 269.0 | 245.0 | 16.81 |
| 800. | 42.41 | 274.7 | 248.3 | 21.07 |
| 900. | 42.03 | 279.7 | 251.6 | 25.29 |
| 1000. | 41.61 | 284.1 | 254.6 | 29.47 |
| 1100. | 41.21 | 288.0 | 257.4 | 33.61 |
| 1200. | 40.89 | 291.6 | 260.1 | 37.72 |
| 1300. | 40.69 | 294.8 | 262.7 | 41.80 |
| 1400. | 40.65 | 297.9 | 265.1 | 45.86 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1400. | 40.62 | 297.9 | 265.1 | 45.87 |
| 1500. | 40.47 | 300.6 | 267.4 | 49.92 |
| 1600. | 40.38 | 303.3 | 269.5 | 53.96 |
| 1700. | 40.33 | 305.7 | 271.6 | 58.00 |
| 1800. | 40.32 | 308.0 | 273.5 | 62.03 |
| 1900. | 40.33 | 310.2 | 275.4 | 66.06 |
| 2000. | 40.37 | 312.3 | 277.2 | 70.10 |
| 2100. | 40.44 | 314.2 | 278.9 | 74.14 |
| 2200. | 40.51 | 316.1 | 280.6 | 78.18 |
| 2300. | 40.60 | 317.9 | 282.2 | 82.24 |
| 2400. | 40.71 | 319.6 | 283.7 | 86.31 |
| 2500. | 40.82 | 321.3 | 285.2 | 90.38 |
| 2600. | 40.95 | 322.9 | 286.6 | 94.47 |
| 2700. | 41.08 | 324.5 | 288.0 | 98.57 |
| 2800. | 41.22 | 326.0 | 289.3 | 102.7 |
| 2900. | 41.36 | 327.4 | 290.6 | 106.8 |
| 3000. | 41.52 | 328.8 | 291.8 | 111.0 |
| 3100. | 41.67 | 330.2 | 293.0 | 115.1 |
| 3200. | 41.83 | 331.5 | 294.2 | 119.3 |
| 3300. | 42.00 | 332.8 | 295.4 | 123.5 |
| 3400. | 42.16 | 334.0 | 296.5 | 127.7 |
| 3500. | 42.34 | 335.3 | 297.6 | 131.9 |
| 3600. | 42.51 | 336.5 | 298.6 | 136.2 |
| 3700. | 42.69 | 337.6 | 299.7 | 140.4 |
| 3800. | 42.86 | 338.8 | 300.7 | 144.7 |
| 3900. | 43.05 | 339.9 | 301.7 | 149.0 |
| 4000. | 43.23 | 341.0 | 302.7 | 153.3 |
| 4100. | 43.41 | 342.1 | 303.6 | 157.6 |
| 4200. | 43.59 | 343.1 | 304.5 | 162.0 |
| 4300. | 43.78 | 344.1 | 305.4 | 166.4 |
| 4400. | 43.96 | 345.1 | 306.3 | 170.7 |
| 4500. | 44.15 | 346.1 | 307.2 | 175.2 |
| 4600. | 44.34 | 347.1 | 308.1 | 179.6 |
| 4700. | 44.52 | 348.1 | 308.9 | 184.0 |
| 4800. | 44.71 | 349.0 | 309.7 | 188.5 |
| 4900. | 44.90 | 349.9 | 310.5 | 193.0 |
| 5000. | 45.08 | 350.8 | 311.3 | 197.5 |
| 5100. | 45.27 | 351.7 | 312.1 | 202.0 |
| 5200. | 45.45 | 352.6 | 312.9 | 206.5 |
| 5300. | 45.63 | 353.5 | 313.6 | 211.1 |
| 5400. | 45.81 | 354.3 | 314.4 | 215.6 |
| 5500. | 45.99 | 355.2 | 315.1 | 220.2 |
| 5600. | 46.17 | 356.0 | 315.8 | 224.8 |
| 5700. | 46.35 | 356.8 | 316.6 | 229.5 |
| 5800. | 46.52 | 357.6 | 317.3 | 234.1 |
| 5900. | 46.70 | 358.4 | 317.9 | 238.8 |
| 6000. | 46.87 | 359.2 | 318.6 | 243.4 |
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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