element(s): ['Fe', 'N'] 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: ['4.3752'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Fe', 'N'] representative atom coordinates = [[0. 0. 0. ] [0.25 0.25 0.25]] spacegroup = 216 cell = [[4.3752, 0, 0], [0, 4.3752, 0], [0, 0, 4.3752]] ========================================= Step Time Energy fmax BFGS: 0 14:13:22 -78.150338 12.2698 BFGS: 1 14:13:22 -79.777463 9.4797 BFGS: 2 14:13:22 -81.013401 7.0381 BFGS: 3 14:13:22 -81.903057 4.8550 BFGS: 4 14:13:22 -82.481858 2.9020 BFGS: 5 14:13:22 -82.784926 1.1745 BFGS: 6 14:13:22 -82.850023 0.1171 BFGS: 7 14:13:22 -82.850714 0.0055 BFGS: 8 14:13:22 -82.850715 0.0000 BFGS: 9 14:13:22 -82.850715 0.0000 Minimization converged after 9 steps. Maximum force component: 1.132289816626438e-29 eV/Angstrom Maximum stress component: 5.714520508647239e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Fe', 'Fe', 'Fe', 'Fe', 'N', 'N', 'N', 'N'] basis = [[1.28391411e-34 1.28395329e-34 1.28395329e-34] [1.29162171e-34 5.00000000e-01 5.00000000e-01] [5.00000000e-01 8.49797920e-35 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [2.50000000e-01 2.50000000e-01 2.50000000e-01] [7.50000000e-01 7.50000000e-01 2.50000000e-01] [7.50000000e-01 2.50000000e-01 7.50000000e-01] [2.50000000e-01 7.50000000e-01 7.50000000e-01]] cellpar = Cell([[4.532677470564682, -1.7816606307107262e-33, -1.0604529025987091e-34], [9.356814579560115e-34, 4.532677470564682, -4.503985982597764e-18], [1.336003940831824e-34, -4.503985982597762e-18, 4.532677470564682]]) forces = [[ 1.48985502e-31 1.48985502e-31 -1.48042436e-49] [ 1.48985502e-31 1.48985502e-31 -1.48985502e-31] [ 1.48985502e-31 7.44927511e-32 1.48985502e-31] [ 1.48985502e-31 1.48985502e-31 -7.44927511e-32] [ 5.95942009e-31 7.89623162e-30 1.13228982e-29] [ 3.22646728e-30 -7.22579686e-30 -5.62420271e-30] [-1.89956515e-30 6.25739109e-30 2.38376804e-30] [ 1.93681153e-30 -6.62985485e-30 -5.95942009e-31]] stress = [-5.71452051e-10 -5.71452051e-10 -5.71452051e-10 -5.48510506e-27 -6.39940430e-33 -1.28651211e-50] energy per atom = -10.356339387842823 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0