element(s): ['Mg', 'O'] 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: ['4.253'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Mg', 'O'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.253, 0, 0], [0, 4.253, 0], [0, 0, 4.253]] ========================================= Step Time Energy fmax BFGS: 0 14:36:54 -20.830346 2.3340 BFGS: 1 14:36:54 -21.059566 2.2473 BFGS: 2 14:36:54 -21.385587 2.0950 BFGS: 3 14:36:54 -21.686582 1.9130 BFGS: 4 14:36:54 -21.957814 1.6975 BFGS: 5 14:36:54 -22.193944 1.4442 BFGS: 6 14:36:54 -22.388963 1.1494 BFGS: 7 14:36:54 -22.537667 0.8218 BFGS: 8 14:36:54 -22.631911 0.4253 BFGS: 9 14:36:54 -22.662234 0.0316 BFGS: 10 14:36:54 -22.662387 0.0021 BFGS: 11 14:36:54 -22.662388 0.0000 BFGS: 12 14:36:54 -22.662388 0.0000 Minimization converged after 12 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 3.284429844333375e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Mg', 'Mg', 'Mg', 'Mg', 'O', 'O', 'O', 'O'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [6.80087697e-49 5.00000000e-01 5.00000000e-01] [5.00000000e-01 3.82855338e-34 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 1.06263703e-50] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [0.00000000e+00 3.82855338e-34 5.00000000e-01]] cellpar = Cell([[4.024350203106663, 2.779232661443296e-32, -7.049159047653921e-34], [2.524359424688078e-32, 4.024350203106663, 1.6593454131525273e-17], [3.272120720283849e-33, 1.6593454131525264e-17, 4.024350203106663]]) 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 = [-3.28442984e-10 -3.28442984e-10 -3.28442984e-10 9.39311741e-28 -3.17115657e-35 -1.29148850e-52] energy per atom = -2.832798517629427 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0