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