Corundum

Al2O3

unknown · Cited · 2022

Why this differs from similar rows?

Table cites Richet et al. (1988) original published values; other rows cite different original studies, and a separate row (sibling group) reanalyzes this same study's data using different pressure scales.

V₀

255.05

Å³

Unit cell

K₀

255

GPa

Isothermal

K′

5.100

dimensionless

Volume (V₀)

Value	Unit	Basis	Z
255.05	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
Al2O3	1

Formula: Al2O3

Conditions & method

T_ref: 300 K
P_ref: —
Structure: corundum
Method: literature compilation / cited value
literature high-pressure experiment
Sample: Table 1, Richet et al. (1988), original published values

Source

Paper: Thermal Equations of State of Corundum and Rh2O3 (II)‐Type Al2O3 up to 153 GPa …
Authors: Weigang Shi; Wei Wei; Ningyu Sun; Zhu Mao; Vitali B. Prakapenka
DOI: 10.1029/2021jb023805
Year: 2022
Journal: Journal of Geophysical Research Solid Earth
Origin: Cited (quoted from earlier work)

Evidence from the paper

Table 1: Corundum, Richet et al. (1988): KT0 = 255(15) GPa, KT0' = 5.1(9), V0 = 255.05(7) Å3.