../../td/EquilibriumCrystalStructure__TD_457028483760_001/runner Ga A_mC4_15_e a b/a c/a beta y1 standard 1 2.7913 2.9000466 1.53656 129.558 0.88421875 Sim_LAMMPS_Polymorphic_NordAlbeErhart_2003_GaN__SM_333071728528_000