beryllium oxide
- Formula: BeO
- Molecular weight: 25.0116
- IUPAC Standard InChI: InChI=1S/Be.O
- IUPAC Standard InChIKey: LTPBRCUWZOMYOC-UHFFFAOYSA-N
- CAS Registry Number: 1304-56-9
- 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: Beryllium monoxide
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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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
| Temperature (K) | 298. - 800. | 800. - 2780. | 298. - 1500. | 1500. - 2780. |
|---|---|---|---|---|
| A | 3.358974 | 47.06205 | 24.68978 | 48.35281 |
| B | 131.5922 | 5.598359 | 52.56317 | 4.393033 |
| C | -140.4937 | -0.495570 | -36.35239 | -0.090144 |
| D | 56.20953 | 0.054527 | 9.487932 | 0.007823 |
| E | -0.536669 | -2.947373 | -1.053896 | -3.469105 |
| F | -615.8764 | -631.6794 | -614.6045 | -626.3113 |
| G | -18.67884 | 54.76479 | 26.35983 | 58.35048 |
| H | -608.3536 | -608.3536 | -601.6592 | -601.6592 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | α phase; Data last reviewed in June, 1975 | α phase; Data last reviewed in June, 1975 | β phase; Data last reviewed in June, 1975 | β phase; Data last reviewed in June, 1975 |
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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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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