aluminium nitride
- Formula: AlN
- Molecular weight: 40.9882
- IUPAC Standard InChI: InChI=1S/Al.N
- IUPAC Standard InChIKey: PIGFYZPCRLYGLF-UHFFFAOYSA-N
- CAS Registry Number: 24304-00-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Aluminum nitride
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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 900. | 900. to 3000. |
|---|---|---|
| A | 4.118700 | 11.89860 |
| B | 20.46800 | 0.534906 |
| C | -19.90270 | -0.177343 |
| D | 7.082761 | 0.021021 |
| E | -0.128569 | -0.672324 |
| F | -78.40791 | -81.57679 |
| G | 3.793069 | 15.94290 |
| H | -76.00010 | -76.00010 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1979 | Data last reviewed in December, 1979 |
| 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. | 7.19 | 4.81 | 4.81 | -0.00 |
| 300. | 7.23 | 4.86 | 4.81 | 0.01 |
| 400. | 8.77 | 7.17 | 5.12 | 0.82 |
| 500. | 9.75 | 9.24 | 5.74 | 1.75 |
| 600. | 10.41 | 11.08 | 6.48 | 2.76 |
| 700. | 10.86 | 12.72 | 7.25 | 3.82 |
| 800. | 11.18 | 14.19 | 8.03 | 4.93 |
| 900. | 11.42 | 15.52 | 8.79 | 6.06 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 900. | 11.42 | 15.52 | 8.79 | 6.06 |
| 1000. | 11.60 | 16.73 | 9.52 | 7.21 |
| 1100. | 11.74 | 17.85 | 10.23 | 8.38 |
| 1200. | 11.85 | 18.87 | 10.91 | 9.56 |
| 1300. | 11.94 | 19.82 | 11.56 | 10.75 |
| 1400. | 12.01 | 20.71 | 12.18 | 11.94 |
| 1500. | 12.07 | 21.54 | 12.78 | 13.15 |
| 1600. | 12.12 | 22.32 | 13.35 | 14.36 |
| 1700. | 12.17 | 23.06 | 13.90 | 15.57 |
| 1800. | 12.20 | 23.76 | 14.43 | 16.79 |
| 1900. | 12.23 | 24.42 | 14.94 | 18.01 |
| 2000. | 12.26 | 25.05 | 15.43 | 19.24 |
| 2100. | 12.28 | 25.64 | 15.90 | 20.46 |
| 2200. | 12.30 | 26.22 | 16.36 | 21.69 |
| 2300. | 12.32 | 26.76 | 16.80 | 22.93 |
| 2400. | 12.33 | 27.29 | 17.22 | 24.16 |
| 2500. | 12.35 | 27.79 | 17.64 | 25.39 |
| 2600. | 12.36 | 28.28 | 18.04 | 26.63 |
| 2700. | 12.37 | 28.74 | 18.42 | 27.86 |
| 2800. | 12.38 | 29.19 | 18.80 | 29.10 |
| 2900. | 12.39 | 29.63 | 19.17 | 30.34 |
| 3000. | 12.40 | 30.05 | 19.52 | 31.58 |
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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