element(s): ['Cl', 'Na'] 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: ['5.665'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cl', 'Na'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[5.665, 0, 0], [0, 5.665, 0], [0, 0, 5.665]] ========================================= Step Time Energy fmax BFGS: 0 16:40:18 -60.503658 9.329097 BFGS: 1 16:40:18 -61.898282 9.258797 BFGS: 2 16:40:19 -63.279021 9.142952 BFGS: 3 16:40:19 -64.639603 8.988462 BFGS: 4 16:40:20 -65.971655 8.761651 BFGS: 5 16:40:20 -67.264713 8.467098 BFGS: 6 16:40:21 -68.507932 8.095472 BFGS: 7 16:40:21 -69.688979 7.636279 BFGS: 8 16:40:21 -70.793850 7.077720 BFGS: 9 16:40:22 -71.806665 6.406518 BFGS: 10 16:40:22 -72.709430 5.607743 BFGS: 11 16:40:23 -73.486709 4.720902 BFGS: 12 16:40:23 -74.114232 3.617188 BFGS: 13 16:40:24 -74.562649 2.329066 BFGS: 14 16:40:24 -74.802539 0.832589 BFGS: 15 16:40:24 -74.833630 0.100023 BFGS: 16 16:40:25 -74.834061 0.003635 BFGS: 17 16:40:25 -74.834062 0.000015 BFGS: 18 16:40:25 -74.834062 0.000000 Minimization converged after 18 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.2167058491591285e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cl', 'Cl', 'Cl', 'Cl', 'Na', 'Na', 'Na', 'Na'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [5.31268626e-49 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 1.30846471e-34] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 6.64085782e-50] [2.65634313e-49 5.00000000e-01 0.00000000e+00] [6.64085782e-50 3.73847060e-35 5.00000000e-01]] cellpar = Cell([[5.151651971421756, 1.253143646153325e-32, -1.4684612057816336e-33], [9.476543916239683e-33, 5.151651971421755, -6.867024909794318e-19], [1.0774858565907518e-33, -6.867024909794256e-19, 5.151651971421755]]) 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 = [-1.21670585e-10 -1.21670585e-10 -1.21670585e-10 4.85242804e-29 -4.64437660e-34 8.97187795e-53] energy per atom = -9.354257704657059 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0