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 09:34:26 -37.585963 4.3126 BFGS: 1 09:34:26 -38.215938 4.0794 BFGS: 2 09:34:26 -38.807355 3.7975 BFGS: 3 09:34:26 -39.352460 3.4608 BFGS: 4 09:34:26 -39.842510 3.0622 BFGS: 5 09:34:26 -40.267648 2.5940 BFGS: 6 09:34:26 -40.616776 2.0472 BFGS: 7 09:34:26 -40.877401 1.4122 BFGS: 8 09:34:26 -41.037595 0.6925 BFGS: 9 09:34:26 -41.080322 0.1187 BFGS: 10 09:34:26 -41.081499 0.0069 BFGS: 11 09:34:26 -41.081503 0.0001 BFGS: 12 09:34:26 -41.081503 0.0000 BFGS: 13 09:34:26 -41.081503 0.0000 Minimization converged after 13 steps. Maximum force component: 1.1878372338118935e-30 eV/Angstrom Maximum stress component: 3.2700447518391806e-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([[3.613830197796207, -2.6612319829634926e-33, -4.0142724457822024e-33], [8.76910822734775e-34, 3.613830197796207, -1.2153697457319178e-17], [4.864755977840296e-34, -1.2153697457319182e-17, 3.613830197796207]]) forces = [[ 3.60292013e-66 1.48479654e-32 -4.99352957e-50] [ 1.48479654e-32 1.48479654e-32 1.48479654e-32] [ 1.48479654e-32 -1.09340722e-65 -1.64932427e-65] [ 1.99875823e-66 -4.99352957e-50 1.48479654e-32] [-2.96959308e-31 8.90877925e-32 -4.75134894e-31] [-2.39423442e-31 6.86718401e-32 1.18783723e-30] [-7.42398271e-32 2.37567447e-31 5.04830824e-31] [-3.56351170e-31 2.31535461e-31 6.23614548e-31]] stress = [ 3.27004475e-14 3.27004475e-14 3.27004475e-14 4.61507487e-31 -2.51682898e-33 5.40637529e-49] energy per atom = -5.135187919834721 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0