Table 1.

Total energies calculated for the Na₃₂-Y structure with various sodium spatial distributions.

Model Structure	Total Energy (eV)
0.5 × I′ + 0.5 × II	−5868.37
0.666 × I + 0.666 × II	−5869.32
0.666 × I′ + 0.333 × II	−5869.84
0.333 × I′ + 0.666 × II	−5870.07
I + 0.5 × II	−5873.83