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 (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. - 800. | 800. - 2780. | 298. - 1500. | 1500. - 2780. |
|---|---|---|---|---|
| A | 0.802814 | 11.24810 | 5.901000 | 11.55660 |
| B | 31.45129 | 1.338040 | 12.56290 | 1.049961 |
| C | -33.57880 | -0.118444 | -8.688430 | -0.021545 |
| D | 13.43440 | 0.013032 | 2.267670 | 0.001870 |
| E | -0.128267 | -0.704439 | -0.251887 | -0.829136 |
| F | -147.1980 | -150.9750 | -146.8940 | -149.6920 |
| G | -4.464350 | 13.08910 | 6.300151 | 13.94610 |
| H | -145.4000 | -145.4000 | -143.8000 | -143.8000 |
| 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 |
| 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. | 6.10 | 3.29 | 3.29 | -0.00 |
| 300. | 6.15 | 3.33 | 3.29 | 0.01 |
| 400. | 8.07 | 5.38 | 3.56 | 0.73 |
| 500. | 9.30 | 7.32 | 4.12 | 1.60 |
| 600. | 10.13 | 9.10 | 4.80 | 2.58 |
| 700. | 10.71 | 10.71 | 5.53 | 3.62 |
| 800. | 11.15 | 12.17 | 6.27 | 4.71 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 800. | 11.15 | 12.16 | 6.27 | 4.71 |
| 900. | 11.50 | 13.50 | 7.00 | 5.85 |
| 1000. | 11.78 | 14.72 | 7.71 | 7.01 |
| 1100. | 12.01 | 15.86 | 8.40 | 8.20 |
| 1200. | 12.22 | 16.91 | 9.07 | 9.41 |
| 1300. | 12.40 | 17.90 | 9.71 | 10.64 |
| 1400. | 12.57 | 18.82 | 10.33 | 11.89 |
| 1500. | 12.72 | 19.69 | 10.92 | 13.16 |
| 1600. | 12.86 | 20.52 | 11.50 | 14.43 |
| 1700. | 13.00 | 21.30 | 12.05 | 15.73 |
| 1800. | 13.13 | 22.05 | 12.59 | 17.03 |
| 1900. | 13.26 | 22.76 | 13.10 | 18.35 |
| 2000. | 13.38 | 23.45 | 13.60 | 19.69 |
| 2100. | 13.50 | 24.10 | 14.09 | 21.03 |
| 2200. | 13.61 | 24.73 | 14.56 | 22.39 |
| 2300. | 13.72 | 25.34 | 15.01 | 23.75 |
| 2400. | 13.84 | 25.93 | 15.46 | 25.13 |
| 2500. | 13.94 | 26.49 | 15.89 | 26.52 |
| 2600. | 14.05 | 27.04 | 16.31 | 27.92 |
| 2700. | 14.16 | 27.58 | 16.71 | 29.33 |
| 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. | 6.10 | 3.95 | 3.97 | -0.00 |
| 300. | 6.15 | 3.99 | 3.97 | 0.01 |
| 400. | 8.11 | 6.06 | 4.23 | 0.73 |
| 500. | 9.29 | 8.00 | 4.80 | 1.60 |
| 600. | 10.10 | 9.77 | 5.48 | 2.58 |
| 700. | 10.70 | 11.38 | 6.21 | 3.62 |
| 800. | 11.16 | 12.84 | 6.95 | 4.71 |
| 900. | 11.51 | 14.17 | 7.68 | 5.85 |
| 1000. | 11.79 | 15.40 | 8.39 | 7.01 |
| 1100. | 12.02 | 16.54 | 9.08 | 8.20 |
| 1200. | 12.21 | 17.59 | 9.74 | 9.41 |
| 1300. | 12.38 | 18.57 | 10.39 | 10.64 |
| 1400. | 12.55 | 19.50 | 11.00 | 11.89 |
| 1500. | 12.74 | 20.37 | 11.60 | 13.15 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1500. | 12.72 | 20.37 | 11.60 | 13.15 |
| 1600. | 12.87 | 21.19 | 12.17 | 14.43 |
| 1700. | 13.00 | 21.98 | 12.73 | 15.73 |
| 1800. | 13.13 | 22.73 | 13.26 | 17.03 |
| 1900. | 13.26 | 23.44 | 13.78 | 18.35 |
| 2000. | 13.38 | 24.12 | 14.28 | 19.69 |
| 2100. | 13.50 | 24.78 | 14.76 | 21.03 |
| 2200. | 13.61 | 25.41 | 15.23 | 22.38 |
| 2300. | 13.72 | 26.02 | 15.69 | 23.75 |
| 2400. | 13.83 | 26.60 | 16.13 | 25.13 |
| 2500. | 13.94 | 27.17 | 16.56 | 26.52 |
| 2600. | 14.05 | 27.72 | 16.98 | 27.92 |
| 2700. | 14.16 | 28.25 | 17.39 | 29.33 |
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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