Davemaoite

CaSiO3

third-order Birch-Murnaghan · Original · 1999

V₀

—

Unknown basis

K₀

236

GPa

Unknown

K′

4.420

dimensionless

Volume (V₀)

Value	Unit	Basis	Z
—	—	Unknown basis	—

Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ Å³/f.u. conversion is not applied automatically.

Composition

Oxide	Molar
CaO	1
SiO2	1

Formula: CaSiO3

Conditions & method

T_ref: —
P_ref: —
Structure: cubic perovskite (Pm-3m)
Method: first-principles DFT / ab initio
first principles plane wave pseudopotential (LDA), static calculation
Sample: Table 1, Calc row

Source

Paper: Seismic velocities of major silicate and oxide phases of the lower mantle
Authors: Bijaya B. Karki; Lars Stixrude
DOI: 10.1029/1999jb900069
Year: 1999
Journal: Journal of Geophysical Research Atmospheres
Origin: Original (measured or fitted in the source paper)

Evidence from the paper

Table 1: CaSiO3 perovskite, Calc M: K = 236, G = 165; M': K' = 4.42, G' = 2.46. 'Third-order Eulerian finite strain equations are fit to the calculated results'.

Additional notes

G0 GPa

2.46