element(s): ['Be', 'O'] AFLOW prototype label: AB_cF8_216_a_c Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.8249'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Be', 'O'] representative atom coordinates = [[0. 0. 0. ] [0.25 0.25 0.25]] spacegroup = 216 cell = [[3.8249, 0, 0], [0, 3.8249, 0], [0, 0, 3.8249]] ========================================= Step Time Energy fmax BFGS: 0 20:05:20 -37.585963 4.312642 BFGS: 1 20:05:20 -38.215938 4.079407 BFGS: 2 20:05:20 -38.807355 3.797548 BFGS: 3 20:05:21 -39.352460 3.460820 BFGS: 4 20:05:21 -39.842510 3.062234 BFGS: 5 20:05:21 -40.267648 2.593958 BFGS: 6 20:05:21 -40.616776 2.047219 BFGS: 7 20:05:21 -40.877401 1.412188 BFGS: 8 20:05:21 -41.037595 0.692533 BFGS: 9 20:05:21 -41.080322 0.118737 BFGS: 10 20:05:21 -41.081499 0.006917 BFGS: 11 20:05:21 -41.081503 0.000064 BFGS: 12 20:05:21 -41.081503 0.000000 BFGS: 13 20:05:22 -41.081503 0.000000 Minimization converged after 13 steps. Maximum force component: 2.145531003572732e-30 eV/Angstrom Maximum stress component: 3.104363869701585e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Be', 'Be', 'Be', 'Be', 'O', 'O', 'O', 'O'] basis = [[0. 0. 0. ] [0. 0.5 0.5 ] [0.5 0. 0.5 ] [0.5 0.5 0. ] [0.25 0.25 0.25] [0.75 0.75 0.25] [0.75 0.25 0.75] [0.25 0.75 0.75]] cellpar = Cell([[3.6138301977962066, 2.1780962662818386e-33, 1.7801080132068573e-34], [-3.2849249357820485e-35, 3.6138301977962066, 4.405910094018721e-18], [-1.733164560979606e-34, 4.4059100940187194e-18, 3.6138301977962066]]) forces = [[-2.07871516e-31 -1.18783723e-31 -1.78175585e-31] [ 8.90877925e-32 8.90877925e-32 1.48479654e-31] [ 1.18783723e-31 -5.93918617e-32 8.90877925e-32] [-5.93918617e-32 1.48479654e-31 1.18783723e-31] [-9.50269787e-31 2.25374194e-48 1.84857170e-30] [ 9.46557796e-31 -1.12844537e-30 9.02013899e-31] [-1.32889291e-30 8.31486064e-31 -1.42540468e-30] [ 9.50269787e-31 -2.14553100e-30 -1.06905351e-30]] stress = [ 3.10436387e-14 3.10436387e-14 3.10436387e-14 -3.92223074e-32 4.01461394e-64 -1.68396525e-65] energy per atom = -5.135187919834722 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0