element(s): ['Nb', 'Ni'] AFLOW prototype label: A3B_tI8_139_ad_b Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.9697', '2.1501373'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Nb', 'Nb', 'Ni'] representative atom coordinates = [[0. 0. 0. ] [0. 0.5 0.25] [0. 0. 0.5 ]] spacegroup = 139 cell = [[3.9697, 0, 0], [0, 3.9697, 0], [0, 0, 8.5354]] ========================================= Step Time Energy fmax BFGS: 0 15:35:18 -152.164114 154.120605 BFGS: 1 15:35:18 -170.238047 135.460393 BFGS: 2 15:35:18 -185.556133 119.059657 BFGS: 3 15:35:18 -198.991929 104.126939 BFGS: 4 15:35:18 -210.721771 90.546857 BFGS: 5 15:35:18 -220.720687 78.395197 BFGS: 6 15:35:18 -229.282966 67.436043 BFGS: 7 15:35:18 -236.548257 57.591810 BFGS: 8 15:35:18 -242.651845 48.753602 BFGS: 9 15:35:18 -247.730505 40.777286 BFGS: 10 15:35:18 -251.897823 33.609155 BFGS: 11 15:35:18 -255.255119 27.177594 BFGS: 12 15:35:18 -257.904588 21.543152 BFGS: 13 15:35:18 -259.920770 16.411219 BFGS: 14 15:35:18 -261.394084 11.824878 BFGS: 15 15:35:18 -262.393320 7.765811 BFGS: 16 15:35:18 -262.986661 4.153763 BFGS: 17 15:35:18 -263.235330 1.011269 BFGS: 18 15:35:18 -263.255669 0.347502 BFGS: 19 15:35:18 -263.257392 0.283324 BFGS: 20 15:35:18 -263.258493 0.084740 BFGS: 21 15:35:18 -263.258576 0.015047 BFGS: 22 15:35:18 -263.258580 0.001076 BFGS: 23 15:35:18 -263.258580 0.000065 BFGS: 24 15:35:19 -263.258580 0.000002 BFGS: 25 15:35:19 -263.258580 0.000000 BFGS: 26 15:35:19 -263.258580 0.000000 Minimization converged after 26 steps. Maximum force component: 1.9158194575004294e-29 eV/Angstrom Maximum stress component: 1.8392756467635727e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Nb', 'Nb', 'Nb', 'Nb', 'Nb', 'Nb', 'Ni', 'Ni'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [0.00000000e+00 5.00000000e-01 2.50000000e-01] [5.00000000e-01 0.00000000e+00 2.50000000e-01] [0.00000000e+00 5.00000000e-01 7.50000000e-01] [5.00000000e-01 0.00000000e+00 7.50000000e-01] [1.24293433e-47 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 4.66149429e-34]] cellpar = Cell([[4.403951203543415, -4.490608066009622e-35, -4.672286023355381e-33], [-2.5967289906432393e-35, 4.403951203543414, 1.263129076396064e-19], [-1.2590962552516564e-31, 3.2547596453779913e-18, 8.831235219015783]]) forces = [[ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 1.73705247e-30 7.06076976e-48 1.91581946e-29] [ 1.73705247e-30 -2.56755264e-48 -6.96661621e-30] [ 1.73705247e-30 -1.36401234e-48 -3.70101486e-30] [ 1.73705247e-30 2.32684458e-48 6.31349594e-30] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00]] stress = [-1.83927565e-11 -1.83927565e-11 -1.38011625e-11 -5.13622859e-27 2.53540006e-33 5.67445972e-49] energy per atom = -32.90732245160593 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0