dilithium oxide
- Formula: Li2O
- Molecular weight: 29.881
- IUPAC Standard InChI: InChI=1S/2Li.O
- IUPAC Standard InChIKey: XZIUWXMPQBQHMC-UHFFFAOYSA-N
- CAS Registry Number: 12057-24-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Dilithium 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. - 1600. | 1600. - 1843. |
|---|---|---|
| A | 68.69710 | 98.80851 |
| B | 5.467149 | 0.308701 |
| C | 23.18308 | 1.715663 |
| D | -9.495631 | -0.145556 |
| E | -1.602440 | -14.90098 |
| F | -625.0352 | -660.9507 |
| G | 109.3928 | 115.5893 |
| H | -598.7304 | -598.7304 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in March, 1964 | Data last reviewed in March, 1964 |
| 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. | 54.09 | 37.82 | 37.91 | -0.03 |
| 300. | 54.36 | 38.18 | 37.91 | 0.08 |
| 400. | 63.97 | 55.29 | 40.16 | 6.05 |
| 500. | 69.63 | 70.22 | 44.72 | 12.75 |
| 600. | 73.82 | 83.30 | 50.08 | 19.93 |
| 700. | 77.36 | 94.95 | 55.67 | 27.49 |
| 800. | 80.54 | 105.5 | 61.25 | 35.39 |
| 900. | 83.50 | 115.1 | 66.71 | 43.59 |
| 1000. | 86.25 | 124.1 | 72.01 | 52.08 |
| 1100. | 88.80 | 132.4 | 77.12 | 60.84 |
| 1200. | 91.12 | 140.3 | 82.06 | 69.83 |
| 1300. | 93.17 | 147.6 | 86.82 | 79.05 |
| 1400. | 94.92 | 154.6 | 91.42 | 88.46 |
| 1500. | 96.30 | 161.2 | 95.85 | 98.02 |
| 1600. | 97.27 | 167.5 | 100.1 | 107.7 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1600. | 97.28 | 167.4 | 100.1 | 107.7 |
| 1700. | 98.42 | 173.4 | 104.3 | 117.5 |
| 1800. | 99.47 | 179.0 | 108.3 | 127.4 |
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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