Davemaoite
CaSiO3
Birch-Murnaghan (order unspecified) · Cited · 2000
V₀
27.45
cm³/mol
Molar
K₀
232
GPa
Isothermal
K′
4.800
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 27.45 | 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 |
|---|---|
| CaO | 1 |
| SiO2 | 1 |
Formula: CaSiO3
Conditions & method
- Tref
- 300 K
- Pref
- 0.000 GPa
- Structure
- cubic perovskite (Pm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)large-volume press (LVP) X-ray diffraction, P = 0-12 GPa, T = 300-1600 K
- Sample
- LVP data of Wang et al. [1996]
Source
- Paper
- The stability and P–V–T equation of state of CaSiO3 perovskite in the Earth's l…
- Authors
- Sang‐Heon Shim; T. S. Duffy; Guoyin Shen
- DOI
- 10.1029/2000jb900183
- Year
- 2000
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2 (Wang): V0 = 27.45(2) cm3 mol-1, K_T0 = 232(8) GPa, K'_T0 = 4.8(3). The thermoelastic parameters for CaSiO3 perovskite are from Wang et al. [1996].
Additional notes
gamma0
1.7 (inferred)
q
1.0 (assumed)
theta0 K
1100 (assumed)
alpha0 1e-5 K-1
3.0(5)
dKT dT GPa K-1
-0.033(8)
delta T
4.8 (inferred)