../../td/EquilibriumCrystalStructure__TD_457028483760_001/runner Ga A_oC8_63_g a b/a c/a x1 y1 standard 1 7.7917 0.59708408 0.58838251 0.83822815 0.82662815 Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_004