ABSTRACT

Composition: Al

O

Molar mass: 101.94

Density (g cm

K3

): 3.98

The space lattice of Al

O

belongs to the rhombohedrally centered hexagonal lattice D

, with aZ

0.513 nm, aZ558 06

, Al-OZ0.189 nm (three bonds), Al-OZ0.193 nm (three bonds), and

O-OZ0.249 nm. It contains two molar units within a unit cell.