- InChI
- InChI=1S/Hf
- InChI Key
- VBJZVLUMGGDVMO-UHFFFAOYSA-N
- Formula
- Hf
- SMILES
- [Hf]
- Molecular Weight1
- 178.49
- CAS
- 7440-58-6
- Other Names
-
- hafnium element
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- Ttriple : Triple Point Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| IE | [6.65; 6.83] | eV |
|
| IE | 6.83 ± 0.00 | eV | NIST |
| IE | 6.83 | eV | NIST |
| IE | 6.83 ± 0.00 | eV | NIST |
| IE | 6.65 ± 0.10 | eV | NIST |
| IE | 6.70 ± 0.10 | eV | NIST |
| Ttriple | 2004.00 | K | Thermop... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.00e-03; 101.33] | kPa | [2689.15; 4876.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.88577e+01 | |||
| Coefficient B | -6.96139e+04 | |||
| Coefficient C | 1.26700e+01 | |||
| Temperature range, min. | 2689.15 | |||
| Temperature range, max. | 4876.15 | |||
| Pvap | 1.00e-03 | kPa | 2689.15 | Calculated Property |
| Pvap | 8.38e-03 | kPa | 2932.15 | Calculated Property |
| Pvap | 0.05 | kPa | 3175.15 | Calculated Property |
| Pvap | 0.24 | kPa | 3418.15 | Calculated Property |
| Pvap | 0.91 | kPa | 3661.15 | Calculated Property |
| Pvap | 2.96 | kPa | 3904.15 | Calculated Property |
| Pvap | 8.36 | kPa | 4147.15 | Calculated Property |
| Pvap | 21.04 | kPa | 4390.15 | Calculated Property |
| Pvap | 48.11 | kPa | 4633.15 | Calculated Property |
| Pvap | 101.33 | kPa | 4876.15 | Calculated Property |
Sources
- Thermophysical Properties of Solid Phase Hafnium at High Temperatures
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.