../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner Be O AB_hP4_186_b_b a c/a z1 z2 standard 1 2.7102 1.6238654 9.9344193e-05 0.37800066 MEAM_LAMMPS_WeiZhouLi_2019_BeO__MO_344044439515_002