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 (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. - 3000. |
|---|---|
| A | 15.69500 |
| B | 2.763120 |
| C | 1.297271 |
| D | 0.000061 |
| E | -0.291034 |
| F | -146.2910 |
| G | 27.57679 |
| H | -140.5000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1978 |
| 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. | 13.36 | 11.10 | 11.11 | -0.00 |
| 300. | 13.41 | 11.18 | 11.11 | 0.02 |
| 400. | 15.19 | 15.31 | 11.66 | 1.46 |
| 500. | 16.24 | 18.82 | 12.75 | 3.04 |
| 600. | 17.01 | 21.85 | 14.02 | 4.70 |
| 700. | 17.67 | 24.53 | 15.33 | 6.44 |
| 800. | 18.28 | 26.93 | 16.63 | 8.23 |
| 900. | 18.87 | 29.12 | 17.90 | 10.09 |
| 1000. | 19.46 | 31.13 | 19.13 | 12.01 |
| 1100. | 20.06 | 33.02 | 20.30 | 13.99 |
| 1200. | 20.68 | 34.79 | 21.44 | 16.02 |
| 1300. | 21.31 | 36.47 | 22.53 | 18.12 |
| 1400. | 21.96 | 38.07 | 23.58 | 20.28 |
| 1500. | 22.63 | 39.61 | 24.60 | 22.51 |
| 1600. | 23.32 | 41.09 | 25.59 | 24.81 |
| 1700. | 24.04 | 42.53 | 26.54 | 27.18 |
| 1800. | 24.78 | 43.92 | 27.47 | 29.62 |
| 1900. | 25.55 | 45.28 | 28.37 | 32.14 |
| 2000. | 26.34 | 46.61 | 29.25 | 34.73 |
| 2100. | 27.15 | 47.92 | 30.11 | 37.40 |
| 2200. | 27.99 | 49.20 | 30.94 | 40.16 |
| 2300. | 28.86 | 50.46 | 31.77 | 43.00 |
| 2400. | 29.75 | 51.71 | 32.57 | 45.93 |
| 2500. | 30.67 | 52.94 | 33.36 | 48.95 |
| 2600. | 31.61 | 54.16 | 34.14 | 52.07 |
| 2700. | 32.57 | 55.38 | 34.90 | 55.28 |
| 2800. | 33.57 | 56.58 | 35.65 | 58.58 |
| 2900. | 34.58 | 57.77 | 36.40 | 61.99 |
| 3000. | 35.63 | 58.96 | 37.13 | 65.50 |
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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