- InChI
- InChI=1S/Rb
- InChI Key
- IGLNJRXAVVLDKE-UHFFFAOYSA-N
- Formula
- Rb
- SMILES
- [Rb]
- Molecular Weight1
- 85.47
- CAS
- 7440-17-7
- EA : Electron affinity (eV).
- 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 |
|---|---|---|---|
| EA | [0.49; 0.49] | eV |
|
| EA | 0.49 ± 0.00 | eV | NIST |
| EA | 0.49 ± 0.00 | eV | NIST |
| ΔfH°gas | 80.90 ± 0.80 | kJ/mol | NIST |
| IE | [4.18; 4.18] | eV |
|
| IE | 4.18 ± 0.00 | eV | NIST |
| IE | 4.18 | eV | NIST |
| IE | 4.18 | eV | NIST |
| IE | 4.18 ± 0.00 | eV | NIST |
| S°gas,1 bar | 170.09 ± 0.00 | J/mol×K | NIST |
| S°solid,1 bar | 76.78 ± 0.30 | J/mol×K | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [7.92e-04; 101.32] | kPa | [433.55; 961.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.41029e+01 | |||
| Coefficient B | -9.04035e+03 | |||
| Coefficient C | -7.99000e+00 | |||
| Temperature range, min. | 433.55 | |||
| Temperature range, max. | 961.15 | |||
| Pvap | 7.92e-04 | kPa | 433.55 | Calculated Property |
| Pvap | 0.01 | kPa | 492.17 | Calculated Property |
| Pvap | 0.08 | kPa | 550.79 | Calculated Property |
| Pvap | 0.40 | kPa | 609.42 | Calculated Property |
| Pvap | 1.50 | kPa | 668.04 | Calculated Property |
| Pvap | 4.59 | kPa | 726.66 | Calculated Property |
| Pvap | 11.85 | kPa | 785.28 | Calculated Property |
| Pvap | 26.79 | kPa | 843.91 | Calculated Property |
| Pvap | 54.42 | kPa | 902.53 | Calculated Property |
| Pvap | 101.32 | kPa | 961.15 | Calculated Property |
Sources
- A calorimetric investigation of A2[(UO2)2(WO5)O] compounds with A = K, Rb and Cs and calculated phase relations in the K2WO4-UO3-H2O and K2MoO4-K2WO4-UO3-H2O systems
- Synthesis and energetics of Na, K, Rb and Cs salts by reaction with 1,2-ethanediol and 1,4-butanediol
- KDB
- 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.