element(s): ['Cr', 'O'] AFLOW prototype label: A3B_cP8_223_c_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['5.2114'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cr', 'O'] representative atom coordinates = [[0.25 0. 0.5 ] [0. 0. 0. ]] spacegroup = 223 cell = [[5.2114, 0, 0], [0, 5.2114, 0], [0, 0, 5.2114]] ========================================= Step Time Energy fmax BFGS: 0 15:45:13 -57.680860 7.6897 BFGS: 1 15:45:13 -58.818524 7.4698 BFGS: 2 15:45:13 -59.918816 7.1901 BFGS: 3 15:45:13 -60.972180 6.8427 BFGS: 4 15:45:13 -61.967791 6.4185 BFGS: 5 15:45:13 -62.893396 5.9075 BFGS: 6 15:45:13 -63.738040 5.3366 BFGS: 7 15:45:13 -64.486137 4.6185 BFGS: 8 15:45:13 -65.117428 3.7826 BFGS: 9 15:45:13 -65.612931 2.7992 BFGS: 10 15:45:13 -65.949246 1.6570 BFGS: 11 15:45:13 -66.101085 0.3359 BFGS: 12 15:45:13 -66.106940 0.0312 BFGS: 13 15:45:13 -66.106989 0.0005 BFGS: 14 15:45:14 -66.106989 0.0000 BFGS: 15 15:45:14 -66.106989 0.0000 Minimization converged after 15 steps. Maximum force component: 1.9908569730643125e-32 eV/Angstrom Maximum stress component: 1.2519871636643385e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cr', 'Cr', 'Cr', 'Cr', 'Cr', 'Cr', 'O', 'O'] basis = [[2.50000000e-01 0.00000000e+00 5.00000000e-01] [7.50000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 2.50000000e-01 4.76958811e-34] [5.00000000e-01 7.50000000e-01 1.90783524e-33] [0.00000000e+00 5.00000000e-01 2.50000000e-01] [0.00000000e+00 5.00000000e-01 7.50000000e-01] [0.00000000e+00 0.00000000e+00 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01]] cellpar = Cell([[4.845525190797181, -2.3435562502994673e-32, 1.6821251913288353e-32], [-1.5656959655146887e-32, 4.845525190797181, -2.035824098992933e-17], [-9.720666220411705e-33, -2.0358240989929312e-17, 4.845525190797181]]) forces = [[-1.04267796e-64 1.99085697e-32 1.99085697e-32] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 1.99085697e-32 -6.27336735e-50 1.49314273e-32] [-1.99694103e-65 -4.18224490e-50 9.95428487e-33] [ 1.99085697e-32 4.97714243e-33 -2.09112245e-50] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00]] stress = [-1.25198716e-12 -1.25198716e-12 -1.25198716e-12 -6.38942896e-30 -3.14985091e-33 1.34519792e-49] energy per atom = -8.26337367691874 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0