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 13:03:31 -18.098997 0.330794 BFGS: 1 13:03:31 -18.103274 0.253781 BFGS: 2 13:03:31 -18.109764 0.145322 BFGS: 3 13:03:31 -18.111387 0.096534 BFGS: 4 13:03:31 -18.111919 0.027203 BFGS: 5 13:03:31 -18.111933 0.017950 BFGS: 6 13:03:31 -18.111943 0.010839 BFGS: 7 13:03:31 -18.111961 0.013047 BFGS: 8 13:03:31 -18.111976 0.010144 BFGS: 9 13:03:31 -18.111981 0.003442 BFGS: 10 13:03:31 -18.111981 0.000610 BFGS: 11 13:03:31 -18.111982 0.000034 BFGS: 12 13:03:31 -18.111982 0.000002 BFGS: 13 13:03:31 -18.111982 0.000000 BFGS: 14 13:03:31 -18.111982 0.000000 Minimization converged after 14 steps. Maximum force component: 5.862990891392082e-10 eV/Angstrom Maximum stress component: 7.436000610245314e-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([[3.1809074498845047, 6.523766712418149e-19, 4.085948462099365e-37], [-1.5904537249422523, 2.7547466586871563, 4.3507197360501684e-38], [1.974197556134943e-37, -8.968861803449247e-37, 5.19440011401097]]) forces = [[-2.22828516e-47 1.01231924e-46 -5.86294145e-10] [-2.22828516e-47 1.01231924e-46 -5.86294145e-10] [-4.18215588e-31 -1.01318550e-46 5.86299089e-10] [ 2.09107794e-31 -3.62185324e-31 5.86299089e-10]] stress = [ 5.58063800e-12 5.58063800e-12 -7.43600061e-11 9.18823552e-33 3.97862269e-33 1.20799469e-27] energy per atom = -4.5279953758369 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0