Davemaoite
CaSiO3
third-order Birch-Murnaghan · Original · 2002
Why this differs from similar rows?
VIBC calculation for the Pnma structural model; sibling rows use a different space group (Pm3m) or the VIB method without covalent correction.
V₀
45.9
ų
Unit cell
K₀
228
GPa
Unknown
K′
4.300
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 45.9 | 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
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- unknownVIBC (density-functional-based VIB with covalent correction)
- Sample
- VIBC (Pnma), thermally corrected to T = 300 K
Source
- Paper
- On the structure and compressibility of CaSiO3 perovskite
- Authors
- S. Akber‐Knutson; M. S. T. Bukowinski; J. Matas
- DOI
- 10.1029/2001gl013523
- Year
- 2002
- Journal
- Geophysical Research Letters
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 2: VIBC (Pnma) 45.90(2), 228(2), 4.3(1). Note: Parameters from calculations have been thermally corrected for T = 300K. Abstract: V0 = 45.90 ± 0.02 Å, K0 = 228 ± 2 GPa, K' = 4.3 ± 0.1.