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 10:33:52 -57.680860 7.689693 BFGS: 1 10:33:53 -58.818524 7.469811 BFGS: 2 10:33:53 -59.918816 7.190146 BFGS: 3 10:33:53 -60.972180 6.842703 BFGS: 4 10:33:53 -61.967791 6.418512 BFGS: 5 10:33:53 -62.893396 5.907512 BFGS: 6 10:33:53 -63.738040 5.336569 BFGS: 7 10:33:53 -64.486137 4.618485 BFGS: 8 10:33:53 -65.117428 3.782641 BFGS: 9 10:33:53 -65.612931 2.799171 BFGS: 10 10:33:53 -65.949246 1.656973 BFGS: 11 10:33:53 -66.101085 0.335939 BFGS: 12 10:33:53 -66.106940 0.031169 BFGS: 13 10:33:53 -66.106989 0.000515 BFGS: 14 10:33:53 -66.106989 0.000001 BFGS: 15 10:33:53 -66.106989 0.000000 Minimization converged after 15 steps. Maximum force component: 2.548296925522319e-30 eV/Angstrom Maximum stress component: 1.256988773130308e-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 1.19239703e-34] [5.00000000e-01 7.50000000e-01 3.17972541e-34] [0.00000000e+00 5.00000000e-01 2.50000000e-01] [2.94706230e-36 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([[4.845525190797179, -2.859903006510239e-32, -3.489707896345195e-33], [-1.2050753162040393e-32, 4.845525190797179, -6.154613335738079e-18], [-4.575333971224156e-33, -6.154613335738061e-18, 4.845525190797179]]) forces = [[-6.51005995e-65 2.23971409e-32 9.95428487e-33] [-3.67365204e-65 2.48857122e-33 3.23514258e-32] [ 4.97714243e-33 -2.54829693e-30 1.99085697e-32] [ 3.98171395e-32 -1.27414846e-30 2.48857122e-33] [ 3.66432391e-32 9.95428487e-33 -2.54829693e-30] [-3.73285682e-33 3.23514258e-32 -1.27414846e-30] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00]] stress = [-1.25698877e-12 -1.25698877e-12 -1.25698877e-12 3.28681501e-29 -6.64968526e-33 2.87928145e-49] energy per atom = -8.263373676918736 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0