Bridgmanite
MgSiO3
third-order Birch-Murnaghan · Original · 2012
V₀
24.42
cm³/mol
Molar
K₀
252
GPa
Isothermal
K′
4.100
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 24.42 | cm³/mol | 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 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- perovskite (unspecified)
- Method
- experiment (Brillouin / ultrasonic / elasticity)ultrasonic interferometry + in situ X-ray diffraction; thermal parameters from Xu et al. [2008]
- Sample
- Table 3 thermo-elastic model (room-T parameters from this study)
Source
- Paper
- Acoustic velocities of pure and iron‐bearing magnesium silicate perovskite meas…
- Authors
- Julien Chantel; D. J. Frost; Catherine McCammon; Zhicheng Jing; Yanbin Wang
- DOI
- 10.1029/2012gl053075
- Year
- 2012
- Journal
- Geophysical Research Letters
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 3: MgSiO3 Perovskite Vo 24.42 (cm-3 mol-1) K_T 252 GPa K' 4.1 G 175 G' 1.66 theta 901 gamma 1.44 q 1.4 eta 2.6; 'the room temperature parameters V0, K_T, K', G and G' are taken from our data'
Additional notes
G GPa
175
Gprime
1.66
theta K
901
gamma
1.44
q
1.4
eta
2.6
note
Table 3 unit printed as cm-3 mol-1 (likely cm3 mol-1); italicized thermal parameters from Xu et al. [2008]