molybdenum dioxide
- Formula: MoO2
- Molecular weight: 127.96
- IUPAC Standard InChI: InChI=1S/Mo.2O/q+4;2*-2
- IUPAC Standard InChIKey: BBJKRZVRZOABAW-UHFFFAOYSA-N
- CAS Registry Number: 18868-43-4
- 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: Molybdenum(iv) oxide
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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. - 3000. |
|---|---|
| A | 65.66788 |
| B | 11.56089 |
| C | 5.427778 |
| D | 0.000256 |
| E | -1.217687 |
| F | -612.0815 |
| G | 115.3813 |
| H | -587.8520 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1978 |
| 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. | 55.88 | 46.42 | 46.47 | -0.01 |
| 300. | 56.09 | 46.80 | 46.47 | 0.1 |
| 400. | 63.55 | 64.07 | 48.77 | 6.12 |
| 500. | 67.93 | 78.76 | 53.34 | 12.71 |
| 600. | 71.18 | 91.44 | 58.65 | 19.67 |
| 700. | 73.94 | 102.6 | 64.15 | 26.93 |
| 800. | 76.49 | 112.7 | 69.60 | 34.45 |
| 900. | 78.97 | 121.8 | 74.90 | 42.23 |
| 1000. | 81.44 | 130.3 | 80.02 | 50.25 |
| 1100. | 83.95 | 138.1 | 84.95 | 58.51 |
| 1200. | 86.51 | 145.6 | 89.69 | 67.04 |
| 1300. | 89.15 | 152.6 | 94.26 | 75.82 |
| 1400. | 91.87 | 159.3 | 98.67 | 84.87 |
| 1500. | 94.68 | 165.7 | 102.9 | 94.20 |
| 1600. | 97.59 | 171.9 | 107.0 | 103.8 |
| 1700. | 100.6 | 177.9 | 111.0 | 113.7 |
| 1800. | 103.7 | 183.8 | 114.9 | 123.9 |
| 1900. | 106.9 | 189.5 | 118.7 | 134.5 |
| 2000. | 110.2 | 195.0 | 122.4 | 145.3 |
| 2100. | 113.6 | 200.5 | 126.0 | 156.5 |
| 2200. | 117.1 | 205.9 | 129.5 | 168.0 |
| 2300. | 120.7 | 211.1 | 132.9 | 179.9 |
| 2400. | 124.5 | 216.4 | 136.3 | 192.2 |
| 2500. | 128.3 | 221.5 | 139.6 | 204.8 |
| 2600. | 132.2 | 226.6 | 142.8 | 217.9 |
| 2700. | 136.3 | 231.7 | 146.0 | 231.3 |
| 2800. | 140.4 | 236.7 | 149.2 | 245.1 |
| 2900. | 144.7 | 241.7 | 152.3 | 259.4 |
| 3000. | 149.1 | 246.7 | 155.3 | 274.1 |
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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