Beryllium hydride
- Formula: BeH2
- Molecular weight: 11.02806
- IUPAC Standard InChI: InChI=1S/Be.2H
- IUPAC Standard InChIKey: RWASOQSEFLDYLC-UHFFFAOYSA-N
- CAS Registry Number: 7787-52-2
- 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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
| Temperature (K) | 298. to 1200. | 1200. to 6000. |
|---|---|---|
| A | -0.033461 | 13.96730 |
| B | 22.37950 | 0.499705 |
| C | -13.24930 | -0.097645 |
| D | 2.856090 | 0.006583 |
| E | 0.153461 | -2.393782 |
| F | 29.64190 | 20.37250 |
| G | 36.09089 | 51.08090 |
| H | 30.00000 | 30.00000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1960 | Data last reviewed in December, 1960 |
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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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