Periclase

MgO

Birch-Murnaghan (order unspecified) · Original · 1990

V₀

—

Unknown basis

K₀

162

GPa

Isothermal

K′

—

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
MgO	1

Formula: MgO

Conditions & method

T_ref: 300 K
P_ref: —
Structure: B1 rocksalt (Fm-3m)
Method: experiment (Brillouin / ultrasonic / elasticity)
calculated from measured adiabatic bulk modulus (resonance elasticity measurements) via K_S/K_T = 1 + αγT
Sample: MgO, zero-pressure reference state (P = 0, T = 300 K)

Source

Paper: Thermodynamic Functions and Properties of MgO at High Compression and High Temp…
Authors: Orson L. Anderson; Keshan Zou
DOI: 10.1063/1.555873
Year: 1990
Journal: Journal of Physical and Chemical Reference Data
Origin: Original (measured or fitted in the source paper)

Evidence from the paper

Table 2. Thermodynamic data calculated from Table 1: T = 300 K, K_T = 162 GPa. 'The Birch Murnaghan equation of state is used ... The parameters used in the Birch-Murnaghan equation of state are given as functions of temperature.' 'The reference volume V0 is taken at P = 0 and T = 300 K.'

Additional notes

rho0 300K

3.585 g/ml (Table 1); text also quotes rho0 = 3.587 g/ml in a worked example

alpha 300K

31.2 x 10^-6 K^-1

gamma 300K

1.54

note

K_T derived from K_S using 1 + alpha*gamma*T correction; K' not reported in the provided excerpt; V0 given only as reference density, not as unit-cell or molar volume