- InChI
- InChI=1S/Th
- InChI Key
- ZSLUVFAKFWKJRC-UHFFFAOYSA-N
- Formula
- Th
- SMILES
- [Th]
- Molecular Weight1
- 232.04
- CAS
- 7440-29-1
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- S°gas,1 bar : Molar entropy at standard conditions (1 bar) (J/mol×K).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfH°gas | 602.00 ± 6.00 | kJ/mol | NIST |
| IE | [5.90; 7.50] | eV |
|
| IE | 6.31 ± 0.00 | eV | NIST |
| IE | 6.31 ± 0.00 | eV | NIST |
| IE | 6.08 | eV | NIST |
| IE | 6.31 ± 0.00 | eV | NIST |
| IE | 6.00 ± 0.30 | eV | NIST |
| IE | 6.00 ± 0.30 | eV | NIST |
| IE | 6.11 ± 0.02 | eV | NIST |
| IE | 6.90 ± 0.50 | eV | NIST |
| IE | 6.90 ± 0.50 | eV | NIST |
| IE | 6.08 ± 0.12 | eV | NIST |
| IE | 6.00 ± 0.10 | eV | NIST |
| IE | 6.80 | eV | NIST |
| IE | 6.20 ± 0.20 | eV | NIST |
| IE | 7.00 ± 0.50 | eV | NIST |
| IE | 6.08 ± 0.12 | eV | NIST |
| IE | 5.90 ± 0.15 | eV | NIST |
| IE | Outlier 7.50 ± 0.30 | eV | NIST |
| IE | 6.95 ± 0.06 | eV | NIST |
| S°gas,1 bar | 190.17 ± 0.05 | J/mol×K | NIST |
| S°solid,1 bar | 51.80 ± 0.50 | J/mol×K | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.00e-03; 101.33] | kPa | [2633.15; 5061.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.66054e+01 | |||
| Coefficient B | -5.93730e+04 | |||
| Coefficient C | -1.08060e+02 | |||
| Temperature range, min. | 2633.15 | |||
| Temperature range, max. | 5061.15 | |||
| Pvap | 1.00e-03 | kPa | 2633.15 | Calculated Property |
| Pvap | 9.68e-03 | kPa | 2902.93 | Calculated Property |
| Pvap | 0.06 | kPa | 3172.71 | Calculated Property |
| Pvap | 0.30 | kPa | 3442.48 | Calculated Property |
| Pvap | 1.14 | kPa | 3712.26 | Calculated Property |
| Pvap | 3.59 | kPa | 3982.04 | Calculated Property |
| Pvap | 9.75 | kPa | 4251.82 | Calculated Property |
| Pvap | 23.40 | kPa | 4521.59 | Calculated Property |
| Pvap | 50.80 | kPa | 4791.37 | Calculated Property |
| Pvap | 101.33 | kPa | 5061.15 | Calculated Property |
Sources
- Thermodynamic investigation of thorium and strontium substituted monazite solid-solution
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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Take the time to validate and double check the source of the data.
Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.