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.
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| 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 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 25.54 | 13.75 | 13.77 | -0.01 |
| 300. | 25.75 | 13.92 | 13.77 | 0.04 |
| 400. | 33.76 | 22.52 | 14.89 | 3.05 |
| 500. | 38.91 | 30.64 | 17.24 | 6.70 |
| 600. | 42.39 | 38.06 | 20.10 | 10.78 |
| 700. | 44.82 | 44.79 | 23.15 | 15.15 |
| 800. | 46.66 | 50.90 | 26.25 | 19.72 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 800. | 46.65 | 50.90 | 26.24 | 19.72 |
| 900. | 48.10 | 56.48 | 29.30 | 24.46 |
| 1000. | 49.27 | 61.61 | 32.28 | 29.33 |
| 1100. | 50.26 | 66.35 | 35.16 | 34.31 |
| 1200. | 51.11 | 70.76 | 37.95 | 39.38 |
| 1300. | 51.88 | 74.88 | 40.63 | 44.53 |
| 1400. | 52.57 | 78.75 | 43.22 | 49.75 |
| 1500. | 53.22 | 82.40 | 45.71 | 55.04 |
| 1600. | 53.82 | 85.86 | 48.11 | 60.39 |
| 1700. | 54.40 | 89.14 | 50.43 | 65.81 |
| 1800. | 54.94 | 92.26 | 52.67 | 71.27 |
| 1900. | 55.47 | 95.25 | 54.83 | 76.79 |
| 2000. | 55.98 | 98.11 | 56.92 | 82.37 |
| 2100. | 56.47 | 100.8 | 58.95 | 87.99 |
| 2200. | 56.95 | 103.5 | 60.91 | 93.66 |
| 2300. | 57.42 | 106.0 | 62.82 | 99.38 |
| 2400. | 57.89 | 108.5 | 64.67 | 105.1 |
| 2500. | 58.34 | 110.9 | 66.47 | 111.0 |
| 2600. | 58.79 | 113.2 | 68.22 | 116.8 |
| 2700. | 59.23 | 115.4 | 69.93 | 122.7 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 25.51 | 16.54 | 16.60 | -0.02 |
| 300. | 25.73 | 16.71 | 16.60 | 0.03 |
| 400. | 33.92 | 25.35 | 17.71 | 3.06 |
| 500. | 38.85 | 33.49 | 20.06 | 6.71 |
| 600. | 42.26 | 40.89 | 22.93 | 10.78 |
| 700. | 44.77 | 47.60 | 25.98 | 15.13 |
| 800. | 46.69 | 53.71 | 29.07 | 19.71 |
| 900. | 48.17 | 59.30 | 32.12 | 24.46 |
| 1000. | 49.33 | 64.44 | 35.10 | 29.33 |
| 1100. | 50.28 | 69.18 | 37.99 | 34.32 |
| 1200. | 51.08 | 73.59 | 40.77 | 39.39 |
| 1300. | 51.81 | 77.71 | 43.46 | 44.53 |
| 1400. | 52.52 | 81.58 | 46.04 | 49.75 |
| 1500. | 53.30 | 85.23 | 48.54 | 55.04 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1500. | 53.22 | 85.22 | 48.53 | 55.04 |
| 1600. | 53.83 | 88.68 | 50.93 | 60.39 |
| 1700. | 54.40 | 91.96 | 53.25 | 65.80 |
| 1800. | 54.94 | 95.08 | 55.49 | 71.27 |
| 1900. | 55.47 | 98.07 | 57.65 | 76.79 |
| 2000. | 55.97 | 100.9 | 59.74 | 82.37 |
| 2100. | 56.47 | 103.7 | 61.77 | 87.99 |
| 2200. | 56.95 | 106.3 | 63.74 | 93.66 |
| 2300. | 57.42 | 108.8 | 65.64 | 99.38 |
| 2400. | 57.88 | 111.3 | 67.49 | 105.1 |
| 2500. | 58.34 | 113.7 | 69.29 | 111.0 |
| 2600. | 58.79 | 116.0 | 71.05 | 116.8 |
| 2700. | 59.23 | 118.2 | 72.75 | 122.7 |
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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