element(s): ['Ga', 'N'] AFLOW prototype label: AB_cF8_216_a_c Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.5262'] model name: Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ga', 'N'] representative atom coordinates = [[0. 0. 0. ] [0.25 0.25 0.25]] spacegroup = 216 cell = [[4.5262, 0, 0], [0, 4.5262, 0], [0, 0, 4.5262]] ========================================= Step Time Energy fmax BFGS: 0 14:15:25 -36.204199 0.2660 BFGS: 1 14:15:25 -36.207116 0.2460 BFGS: 2 14:15:25 -36.223942 0.0088 BFGS: 3 14:15:25 -36.223963 0.0003 BFGS: 4 14:15:25 -36.223963 0.0000 BFGS: 5 14:15:25 -36.223963 0.0000 Minimization converged after 5 steps. Maximum force component: 1.2568230838259436e-30 eV/Angstrom Maximum stress component: 8.536807850094828e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga', 'Ga', 'Ga', 'N', 'N', 'N', 'N'] basis = [[0.00000000e+00 0.00000000e+00 1.55395242e-42] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 2.09047271e-38] [2.50000000e-01 2.50000000e-01 2.50000000e-01] [7.50000000e-01 7.50000000e-01 2.50000000e-01] [7.50000000e-01 2.50000000e-01 7.50000000e-01] [2.50000000e-01 7.50000000e-01 7.50000000e-01]] cellpar = Cell([[4.498482456261605, -1.82670210021229e-33, -2.9801549196285564e-33], [1.8266828596457934e-33, 4.498482456261605, 1.2428803397107971e-21], [-4.3887401151901545e-34, 1.2428803397071365e-21, 4.498482456261605]]) forces = [[ 7.39307696e-32 7.39307696e-32 -1.47861539e-31] [ 7.39307696e-32 -2.04262440e-53 -7.39307696e-32] [ 9.24134620e-32 3.69653848e-32 -1.47861539e-31] [ 2.77240386e-32 7.39307696e-32 -3.69653848e-32] [-4.04695919e-64 -9.61100005e-31 1.47861539e-31] [ 2.58757694e-31 -7.39307696e-31 -2.04262440e-52] [ 1.84826924e-32 -9.61100005e-31 7.39307696e-31] [-1.47861539e-31 -6.28411542e-31 -1.25682308e-30]] stress = [-8.53680785e-13 -8.53680785e-13 -8.53680785e-13 -3.79112317e-28 -1.62426591e-33 -3.60659874e-49] energy per atom = -4.527995375836911 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0