Card No: 12368       Created: 3/09/25    Last edition: 06/04/2026

Name: OXIDE_Al
Specification: [1]
Formula: Al2O3
Symmetry Class: orthorhombic
Space Group: P na2(1)
Unit Cell
Parameters:
a = 4.8437 | b = 8.3300 | c = 8.9547
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 361.30
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 27.20
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.75
R-factor: -MU, 1/cm: µ = 116.682
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 31.135
Theta-Interval for CPDP: T/I = 1-45