Periclase
MgO
Birch-Murnaghan (order unspecified) · Original · 2018
V₀
1.1248
Jbar-1
Molar
K₀
163
GPa
Isothermal
K′
4.250
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 1.1248 | Jbar-1 | Molar | — |
Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ ų/f.u. conversion is not applied automatically.
Composition
| Oxide | Molar |
|---|---|
| MgO | 1 |
Formula: MgO
Conditions & method
- Tref
- 298.2 K
- Pref
- 0.000 GPa
- Structure
- other / unspecified
- Method
- unknownoptimization of selected reference and experimental data (least squares fitting in Excel)
- Sample
- Table 1, MgO column (used as pressure marker)
Source
- Paper
- Spreadsheets to calculateP–V–Trelations, thermodynamic and thermoelastic proper…
- Authors
- T. S. Sokolova; Peter I. Dorogokupets; Konstantin D. Litasov; B. S. Danilov; А. M. Dymshits
- DOI
- 10.1080/08957959.2018.1465056
- Year
- 2018
- Journal
- High Pressure Research
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 1. Parameters of equations of state for Au, Pt, MgO and silicates in the MgSiO3-MgO system: MgO: V0, Jbar-1 = 1.1248; K0, kbar = 1630; K' = 4.25; k = 5. 'Equations (1-13) contain a group of fixed parameters V0, K0, K', k, m1, m2, R, group of fitting parameters Θ01, Θ02, γ0, γ∞, β, a0, m ...'
Additional notes
k Kunc
5
Theta 01 K
747
Theta 02 K
399
m1
3
m2
3
gamma 0
1.53
beta
2.115
gamma inf
0.624
a0 1e-6K-1
-15.9
m anharmonic
4.48
U0 kJmol-1
-609.57
note
MgO recalculated from Sokolova et al. [9,10] with added free-electron contribution; used as pressure marker