element(s): ['Br', 'Na'] 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: ['6'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Br', 'Na'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[6, 0, 0], [0, 6, 0], [0, 0, 6]] ========================================= Step Time Energy fmax BFGS: 0 14:20:51 -42.398366 6.4767 BFGS: 1 14:20:51 -43.366022 6.4203 BFGS: 2 14:20:51 -44.322825 6.3312 BFGS: 3 14:20:51 -45.263780 6.2071 BFGS: 4 14:20:51 -46.182749 6.0382 BFGS: 5 14:20:51 -47.072827 5.8209 BFGS: 6 14:20:51 -47.926250 5.5483 BFGS: 7 14:20:51 -48.734198 5.2132 BFGS: 8 14:20:51 -49.486659 4.8070 BFGS: 9 14:20:51 -50.172285 4.3204 BFGS: 10 14:20:51 -50.781690 3.7737 BFGS: 11 14:20:51 -51.298160 3.0944 BFGS: 12 14:20:51 -51.705720 2.3130 BFGS: 13 14:20:51 -51.984919 1.3864 BFGS: 14 14:20:51 -52.114205 0.3112 BFGS: 15 14:20:51 -52.120350 0.0304 BFGS: 16 14:20:51 -52.120408 0.0006 BFGS: 17 14:20:51 -52.120408 0.0000 BFGS: 18 14:20:52 -52.120408 0.0000 Minimization converged after 18 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.6494883842902633e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Br', 'Br', 'Br', 'Br', 'Na', 'Na', 'Na', 'Na'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 3.52405550e-35 5.00000000e-01] [5.00000000e-01 5.00000000e-01 1.76202775e-35] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 3.12999005e-50] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [6.25998009e-50 5.28608325e-35 5.00000000e-01]] cellpar = Cell([[5.465095379143036, -8.479920441876346e-33, -2.9726117937169834e-33], [-8.148076594482574e-33, 5.465095379143036, 1.5626374613517021e-18], [2.6564006366582402e-33, 1.562637461351696e-18, 5.465095379143036]]) 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 = [-1.64948838e-12 -1.64948838e-12 -1.64948838e-12 7.26815080e-30 5.41656900e-34 -6.22138669e-51] energy per atom = -6.5150509522425555 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0