2
Lattice="3.425 0.0 0.0 0.0 3.425 0.0 0.0 0.0 3.425" Properties=species:S:1:pos:R:3 pbc="T T T"
Cu       0.00000000       0.00000000       0.00000000
Er       1.71250000       1.71250000       1.71250000