Post-perovskite
MgSiO3
Keane · Cited · 2025
Why this differs from similar rows?
Keane-formulation thermal EOS (Sakai et al., 2016) with V0 fit freely (0.15716 nm3); sibling row fixes V0 to 0.16426 nm3 instead, giving different K0/K'.
V₀
0.15716
nm³
Unit cell
K₀
310
GPa
Isothermal
K′
3.470
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 0.15716 | nm³ | Unit cell | — |
| 157.1600 | ų | canonical (converted) | — |
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 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- post-perovskite (CaIrO3-type, Cmcm)
- Method
- experiment (other / unspecified)experimental and theoretical thermal EOS at multi-megabar pressures
- Sample
- —
Source
- Paper
- Research progresses on the structure, phase transition and physical properties …
- Authors
- Zixing Wang; Zheng-yong REN; Lei Liu
- DOI
- 10.3724/j.issn.1007-2802.20240151
- Year
- 2025
- Journal
- Bulletin of Mineralogy Petrology and Geochemistry
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
表3 后钙钛矿: V0=0.15716(454) nm3, K0=310±111 GPa, K0T'=3.47±2.35, γ0=1.44(9), γ∞=0.93(63), θD0=938(264), β=2.8(16), Keane, Sakai et al., 2016
Additional notes
gamma0
1.44(9)
gamma inf
0.93(63)
thetaD0
938(264)
beta
2.8(16)
reference
Sakai et al., 2016