Aluminum sulfide
- Formula: AlS
- Molecular weight: 59.047
- IUPAC Standard InChI: InChI=1S/Al.S
- IUPAC Standard InChIKey: SLWLWUJHXQUDJS-UHFFFAOYSA-N
- CAS Registry Number: 12251-90-0
- Chemical structure:
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Gas phase thermochemistry data
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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 57.000 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1979 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 55.108 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1979 |
Gas Phase Heat Capacity (Shomate Equation)
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 2000. | 2000. to 6000. |
|---|---|---|
| A | 10.09560 | 20.56000 |
| B | -4.492532 | -4.310880 |
| C | 5.111791 | 0.624630 |
| D | -1.296850 | -0.029754 |
| E | -0.106712 | -12.15090 |
| F | 53.78731 | 33.36900 |
| G | 67.84921 | 64.32130 |
| H | 57.00010 | 57.00010 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1979 | Data last reviewed in December, 1979 |
References
Go To: Top, Gas phase thermochemistry data, 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 thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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