Ferropericlase

(Mg0.83Fe0.17)O

third-order Birch-Murnaghan · Original · 2007

V₀

71.39

Å³

Unit cell

K₀

186

GPa

Isothermal

K′

4.600

dimensionless

Volume (V₀)

Value	Unit	Basis	Z
71.39	Å³	Unit cell	—

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
MgO	0.83
FeO	0.17

Formula: (Mg0.83Fe0.17)O

Conditions & method

T_ref: 300 K
P_ref: —
Structure: B1 rocksalt (Fm-3m)
Method: experiment (XRD / DAC / multianvil compression)
synchrotron X-ray diffraction, diamond-anvil cell (this study)
Sample: Table 3 modeling parameters, low-spin phase

Source

Paper: Effects of Fe spin transition on the elasticity of (Mg, Fe)O magnesiowüstites a…
Authors: S. Speziale; V. E. Lee; S. M. Clark; Jung‐Fu Lin; M. Pasternak; Raymond Jeanloz
DOI: 10.1029/2006jb004730
Year: 2007
Journal: Journal of Geophysical Research Atmospheres
Origin: Original (measured or fitted in the source paper)

Evidence from the paper

Table 3: (Mg0.83Fe0.17)O (LS): V0 = 71.39 Å3, KT0 = 186 ± 22 GPa, (∂KT/∂P)T0 = 4.6 ± 0.8 (This study).

Additional notes

rho0 g cm3

3.859

mol wt g

45.67

theta0 K

587 ± 80

gamma0

1.46 ± 0.05

1.2 ± 0.1

spin state

low-spin

note

Text fit quotes V0 = 71 (±5) Å3, KT0 = 186 (±150) GPa