Titanium oxide (Ti3O5)
- Formula: O5Ti3
- Molecular weight: 223.598
- IUPAC Standard InChI: InChI=1S/2O.Ti/q2*-2;+4
- IUPAC Standard InChIKey: SOQBVABWOPYFQZ-UHFFFAOYSA-N
- CAS Registry Number: 12065-65-5
- 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. - Species with the same structure:
- Other names: Titanium oxid; Titanium oxide
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Condensed phase thermochemistry data
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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -547.098 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1973 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 55.557 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1973 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -587.751 | kcal/mol | Review | Chase, 1998 | α phase; Data last reviewed in December, 1973 |
Liquid Phase Heat Capacity (Shomate Equation)
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) | 2050. - 4000. |
|---|---|
| A | 64.00010 |
| B | 0.000000 |
| C | 0.000000 |
| D | 0.000000 |
| E | 0.000000 |
| F | -583.6021 |
| G | 106.0160 |
| H | -547.0989 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1973 |
Solid Phase Heat Capacity (Shomate Equation)
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. - 1500. | 298. - 2050. |
|---|---|---|
| A | 55.78750 | 38.00031 |
| B | -14.18680 | 11.99960 |
| C | 16.30120 | 0.000256 |
| D | -4.923361 | -0.000054 |
| E | -1.410490 | -0.000009 |
| F | -608.6319 | -596.5170 |
| G | 94.01479 | 80.08000 |
| H | -587.7510 | -584.6539 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | α phase; Data last reviewed in December, 1973 | β phase; Data last reviewed in December, 1973 |
References
Go To: Top, Condensed phase thermochemistry data, 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, Condensed phase thermochemistry data, References
- Symbols used in this document:
S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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