Davemaoite
CaSiO3
third-order Birch-Murnaghan · Cited · 2014
Why this differs from similar rows?
Cites Shim et al. (2000) EDXRD experiment (18-96 GPa, 1238-2419 K, BM3 fit); sibling rows cite different original studies.
V₀
45.58
ų
Unit cell
K₀
236
GPa
Isothermal
K′
3.900
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 45.58 | ų | Unit cell | — |
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 |
|---|---|
| CaO | 1 |
| SiO2 | 1 |
Formula: CaSiO3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- —
- Method
- experiment (XRD / DAC / multianvil compression)experiment (energy-dispersive X-ray diffraction, 18-96 GPa, 1238-2419 K)
- Sample
- Experiment [Shim et al., 2000a, 2000b]
Source
- Paper
- P‐V‐T equation of state of cubic CaSiO3 perovskite from first‐principles comput…
- Authors
- Kenji Kawai; Taku Tsuchiya
- DOI
- 10.1002/2013jb010905
- Year
- 2014
- Journal
- Journal of Geophysical Research Solid Earth
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2: Experiment b [Shim et al., 2000]: T_Ref = 300 K, V0 = 45.58 Å3, K_T0 = 236 GPa, K'_T0 = 3.9, Θ0 = 1000 (fixed), γ0 = 1.92, q = 0.6; footnote b: 'Fitted to the third-order Birch–Murnaghan EoS'
Additional notes
theta0 K
1000 (fixed)
gamma0
1.92
q
0.6