- InChI
- InChI=1S/Mg.O
- InChI Key
- CPLXHLVBOLITMK-UHFFFAOYSA-N
- Formula
- MgO
- SMILES
- O=[Mg]
- Molecular Weight1
- 40.30
- CAS
- 1309-48-4
- Other Names
-
- Magnesium monoxide
- magnesia (MgO)
- magnesium oxide (MgO)
- magnesium(II) oxide
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- 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 |
|---|---|---|---|
| PAff | 988.00 | kJ/mol | NIST |
| BasG | 959.40 | kJ/mol | NIST |
| ΔfH°solid | -601.60 ± 0.30 | kJ/mol | NIST |
| IE | [8.76; 9.70] | eV |
|
| IE | 8.76 ± 0.22 | eV | NIST |
| IE | 9.70 | eV | NIST |
| S°solid,1 bar | 26.95 ± 0.15 | J/mol×K | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [6.90; 3389.88] | kPa | [3105.00; 5950.00] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.39253e+01 | |||
| Coefficient B | -3.19189e+04 | |||
| Coefficient C | -4.43610e+02 | |||
| Temperature range, min. | 3105.00 | |||
| Temperature range, max. | 5950.00 | |||
|
T(K) Vapor pressure (kPa) 0 500 1000 1500 2000 2500 3000 3500 4000 5000 6000 | ||||
| Pvap | 6.90 | kPa | 3105.00 | Calculated Property |
| Pvap | 24.66 | kPa | 3421.11 | Calculated Property |
| Pvap | 69.00 | kPa | 3737.22 | Calculated Property |
| Pvap | 161.22 | kPa | 4053.33 | Calculated Property |
| Pvap | 328.58 | kPa | 4369.44 | Calculated Property |
| Pvap | 602.24 | kPa | 4685.56 | Calculated Property |
| Pvap | 1014.86 | kPa | 5001.67 | Calculated Property |
| Pvap | 1598.25 | kPa | 5317.78 | Calculated Property |
| Pvap | 2381.55 | kPa | 5633.89 | Calculated Property |
| Pvap | 3389.88 | kPa | 5950.00 | Calculated Property |
Similar Compounds
Find more compounds similar to magnesium oxide.
Sources
- Thermodynamic study of MgO-Sb2O3 system and the stability functions of magnesium antimonite
- Thermochemistry of 2MgSO4*MgO*3H2O
- High-temperature phase equilibria of Cu-O-MgO system in air
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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