- InChI
- InChI=1S/Ge
- InChI Key
- GNPVGFCGXDBREM-UHFFFAOYSA-N
- Formula
- Ge
- SMILES
- [Ge]
- Molecular Weight1
- 72.64
- CAS
- 7440-56-4
- 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).
- csound,fluid : Speed of sound in fluid (m/s).
- 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 | [1.23; 1.23] | eV |
|
| EA | 1.23 ± 0.00 | eV | NIST |
| EA | 1.23 ± 0.00 | eV | NIST |
| ΔfH°gas | 372.00 ± 8.00 | kJ/mol | NIST |
| IE | [7.80; 8.00] | eV |
|
| IE | 7.90 ± 0.00 | eV | NIST |
| IE | 7.90 | eV | NIST |
| IE | 7.90 | eV | NIST |
| IE | 7.90 ± 0.00 | eV | NIST |
| IE | 7.80 ± 0.50 | eV | NIST |
| IE | 8.00 ± 0.30 | eV | NIST |
| IE | 7.90 | eV | NIST |
| S°gas,1 bar | 167.90 ± 0.01 | J/mol×K | NIST |
| S°solid,1 bar | 31.09 ± 0.15 | J/mol×K | NIST |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| csound,fluid | [2652.50; 2700.40] | m/s | [1216.00; 1443.00] |
|
| csound,fluid | 2690.90 | m/s | 1216.00 | Tempera... |
| csound,fluid | 2689.90 | m/s | 1216.00 | Tempera... |
| csound,fluid | 2690.80 | m/s | 1233.00 | Tempera... |
| csound,fluid | 2691.10 | m/s | 1233.00 | Tempera... |
| csound,fluid | 2689.50 | m/s | 1252.00 | Tempera... |
| csound,fluid | 2696.20 | m/s | 1252.00 | Tempera... |
| csound,fluid | 2692.00 | m/s | 1270.00 | Tempera... |
| csound,fluid | 2695.00 | m/s | 1270.00 | Tempera... |
| csound,fluid | 2690.80 | m/s | 1289.00 | Tempera... |
| csound,fluid | 2700.40 | m/s | 1289.00 | Tempera... |
| csound,fluid | 2690.60 | m/s | 1307.00 | Tempera... |
| csound,fluid | 2695.00 | m/s | 1307.00 | Tempera... |
| csound,fluid | 2673.60 | m/s | 1352.00 | Tempera... |
| csound,fluid | 2678.40 | m/s | 1352.00 | Tempera... |
| csound,fluid | 2662.80 | m/s | 1398.00 | Tempera... |
| csound,fluid | 2666.30 | m/s | 1398.00 | Tempera... |
| csound,fluid | 2652.50 | m/s | 1443.00 | Tempera... |
| csound,fluid | 2654.40 | m/s | 1443.00 | Tempera... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.00e-03; 100.82] | kPa | [1644.15; 3106.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.73138e+01 | |||
| Coefficient B | -3.90365e+04 | |||
| Coefficient C | -3.25100e+01 | |||
| Temperature range, min. | 1644.15 | |||
| Temperature range, max. | 3106.15 | |||
| Pvap | 1.00e-03 | kPa | 1644.15 | Calculated Property |
| Pvap | 9.19e-03 | kPa | 1806.59 | Calculated Property |
| Pvap | 0.06 | kPa | 1969.04 | Calculated Property |
| Pvap | 0.28 | kPa | 2131.48 | Calculated Property |
| Pvap | 1.05 | kPa | 2293.93 | Calculated Property |
| Pvap | 3.35 | kPa | 2456.37 | Calculated Property |
| Pvap | 9.21 | kPa | 2618.82 | Calculated Property |
| Pvap | 22.47 | kPa | 2781.26 | Calculated Property |
| Pvap | 49.63 | kPa | 2943.71 | Calculated Property |
| Pvap | 100.82 | kPa | 3106.15 | Calculated Property |
Mixtures
- germanium + manganese
- gadolinium + germanium + manganese
- germanium + gallium
- yttrium + germanium + gallium
Sources
- Temperature Dependence of the Velocity of Sound in Liquid Metals of Group XIV
- High temperature calorimetric examination of enthalpies of mixing in liquid (gadolinium germanium manganese) alloys
- Thermochemical properties of microporous materials for two borogermanates, .beta.-K2[B2Ge3O10] and NH4[BGe3O8]
- Calorimetric study of enthalpies of mixing in liquid gallium germanium yttrium alloys
- KDB
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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