element(s): ['Ga', 'N'] AFLOW prototype label: AB_hP4_186_b_b Parameter names: ['a', 'c/a', 'z1', 'z2'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.205', '1.6289236', '0.00016799968', '0.376832'] model name: Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ga', 'N'] representative atom coordinates = [[0.33333333 0.66666667 0.500168 ] [0.33333333 0.66666667 0.876832 ]] spacegroup = 186 cell = [[3.205, 0, 0], [-1.6025, 2.7756114191291, 0], [0, 0, 5.2207]] ========================================= Step Time Energy fmax BFGS: 0 15:46:01 -18.098997 0.3308 BFGS: 1 15:46:01 -18.103274 0.2538 BFGS: 2 15:46:01 -18.109764 0.1453 BFGS: 3 15:46:01 -18.111387 0.0965 BFGS: 4 15:46:01 -18.111919 0.0272 BFGS: 5 15:46:01 -18.111933 0.0180 BFGS: 6 15:46:01 -18.111943 0.0108 BFGS: 7 15:46:01 -18.111961 0.0130 BFGS: 8 15:46:01 -18.111976 0.0101 BFGS: 9 15:46:01 -18.111981 0.0034 BFGS: 10 15:46:01 -18.111981 0.0006 BFGS: 11 15:46:01 -18.111982 0.0000 BFGS: 12 15:46:01 -18.111982 0.0000 BFGS: 13 15:46:01 -18.111982 0.0000 BFGS: 14 15:46:01 -18.111982 0.0000 Minimization converged after 14 steps. Maximum force component: 5.863011152962282e-10 eV/Angstrom Maximum stress component: 7.43585470830692e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga', 'N', 'N'] basis = [[0.33333333 0.66666667 0.501 ] [0.66666666 0.33333334 0.001 ] [0.33333333 0.66666667 0.876 ] [0.66666666 0.33333334 0.376 ]] cellpar = Cell([[3.1809074498845056, 6.549310309664446e-19, -1.2103992954146912e-38], [-1.5904537249422528, 2.7547466586871567, -2.8074126076810733e-37], [-1.575093060958747e-37, 9.165927732383029e-38, 5.194400114010971]]) forces = [[-4.96631011e-31 1.35819496e-31 -5.86297847e-10] [ 6.27323383e-31 -3.62185324e-31 -5.86297847e-10] [-6.27323383e-31 3.62185324e-31 5.86301115e-10] [ 7.84154228e-31 -2.71638993e-31 5.86301115e-10]] stress = [ 5.58191967e-12 5.58191967e-12 -7.43585471e-11 -1.14852944e-33 -1.98931134e-33 2.10451085e-27] energy per atom = -4.527995375836905 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0