element(s): ['Ga', 'N'] AFLOW prototype label: AB_cF8_225_a_b Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.2456'] 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. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.2456, 0, 0], [0, 4.2456, 0], [0, 0, 4.2456]] ========================================= Step Time Energy fmax BFGS: 0 14:30:55 -29.755642 0.3954 BFGS: 1 14:30:56 -29.762200 0.3793 BFGS: 2 14:30:56 -29.814962 0.3092 BFGS: 3 14:30:56 -29.839832 0.0258 BFGS: 4 14:30:56 -29.840015 0.0010 BFGS: 5 14:30:56 -29.840015 0.0000 BFGS: 6 14:30:56 -29.840015 0.0000 Minimization converged after 6 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 5.038767909651512e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga', 'Ga', 'Ga', 'N', 'N', 'N', 'N'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [2.06439395e-66 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[4.304183969564841, 1.6823052860143274e-32, 2.8046720285127733e-33], [2.482239925142681e-32, 4.304183969564841, 6.336648441561153e-18], [1.3399067323752682e-32, 6.336648441561136e-18, 4.304183969564841]]) forces = [[0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.]] stress = [-5.03876791e-11 -5.03876791e-11 -5.03876791e-11 1.03338007e-26 2.71972313e-35 -2.23852949e-51] energy per atom = -3.730001898323804 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0