- InChI
- InChI=1S/Ta
- InChI Key
- GUVRBAGPIYLISA-UHFFFAOYSA-N
- Formula
- Ta
- SMILES
- [Ta]
- Molecular Weight1
- 180.95
- CAS
- 7440-25-7
- η : Dynamic viscosity (Pa×s).
- EA : Electron affinity (eV).
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| EA | 0.32 ± 0.01 | eV | NIST |
| IE | [7.31; 7.89] | eV |
|
| IE | 7.89 | eV | NIST |
| IE | 7.89 | eV | NIST |
| IE | 7.31 ± 0.09 | eV | NIST |
| IE | 7.89 | eV | NIST |
| IE | 7.89 | eV | NIST |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0074000; 0.0134000] | Pa×s | [2880.00; 3514.00] |
|
| η | 0.0134000 | Pa×s | 2880.00 | Viscosi... |
| η | 0.0131000 | Pa×s | 2900.00 | Viscosi... |
| η | 0.0124000 | Pa×s | 2950.00 | Viscosi... |
| η | 0.0117000 | Pa×s | 3000.00 | Viscosi... |
| η | 0.0111000 | Pa×s | 3050.00 | Viscosi... |
| η | 0.0106000 | Pa×s | 3100.00 | Viscosi... |
| η | 0.0101000 | Pa×s | 3150.00 | Viscosi... |
| η | 0.0096000 | Pa×s | 3200.00 | Viscosi... |
| η | 0.0092000 | Pa×s | 3250.00 | Viscosi... |
| η | 0.0089000 | Pa×s | 3293.00 | Viscosi... |
| η | 0.0088000 | Pa×s | 3300.00 | Viscosi... |
| η | 0.0084000 | Pa×s | 3350.00 | Viscosi... |
| η | 0.0081000 | Pa×s | 3400.00 | Viscosi... |
| η | 0.0078000 | Pa×s | 3450.00 | Viscosi... |
| η | 0.0075000 | Pa×s | 3500.00 | Viscosi... |
| η | 0.0074000 | Pa×s | 3514.00 | Viscosi... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.28e-03; 101.33] | kPa | [3297.15; 5731.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.80936e+01 | |||
| Coefficient B | -7.19872e+04 | |||
| Coefficient C | -3.88960e+02 | |||
| Temperature range, min. | 3297.15 | |||
| Temperature range, max. | 5731.15 | |||
| Pvap | 1.28e-03 | kPa | 3297.15 | Calculated Property |
| Pvap | 0.01 | kPa | 3567.59 | Calculated Property |
| Pvap | 0.06 | kPa | 3838.04 | Calculated Property |
| Pvap | 0.28 | kPa | 4108.48 | Calculated Property |
| Pvap | 1.05 | kPa | 4378.93 | Calculated Property |
| Pvap | 3.31 | kPa | 4649.37 | Calculated Property |
| Pvap | 9.07 | kPa | 4919.82 | Calculated Property |
| Pvap | 22.20 | kPa | 5190.26 | Calculated Property |
| Pvap | 49.39 | kPa | 5460.71 | Calculated Property |
| Pvap | 101.33 | kPa | 5731.15 | Calculated Property |
Sources
- Viscosity of molten Mo, Ta, Os, Re, and W measured by electrostatic levitation
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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