element(s): ['Fe', 'N'] 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: ['4.2915'] 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. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.2915, 0, 0], [0, 4.2915, 0], [0, 0, 4.2915]] ========================================= Step Time Energy fmax BFGS: 0 19:25:09 -112.732673 16.813654 BFGS: 1 19:25:09 -115.241097 16.617727 BFGS: 2 19:25:09 -117.713414 16.330208 BFGS: 3 19:25:09 -120.134936 15.938171 BFGS: 4 19:25:10 -122.490782 15.441793 BFGS: 5 19:25:10 -124.760418 14.796005 BFGS: 6 19:25:10 -126.922665 14.115417 BFGS: 7 19:25:10 -128.969672 13.147147 BFGS: 8 19:25:10 -130.856953 11.981656 BFGS: 9 19:25:10 -132.553010 10.592893 BFGS: 10 19:25:11 -134.022199 8.951568 BFGS: 11 19:25:11 -135.233352 7.127592 BFGS: 12 19:25:11 -136.138437 4.883173 BFGS: 13 19:25:11 -136.680114 2.274790 BFGS: 14 19:25:11 -136.810670 0.333626 BFGS: 15 19:25:12 -136.813297 0.018597 BFGS: 16 19:25:12 -136.813306 0.000141 BFGS: 17 19:25:12 -136.813306 0.000000 BFGS: 18 19:25:12 -136.813306 0.000000 Minimization converged after 18 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 3.0826727735328913e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Fe', 'Fe', 'Fe', 'Fe', 'N', 'N', 'N', 'N'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 3.92820778e-34 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [0.00000000e+00 7.85641555e-34 5.00000000e-01]] cellpar = Cell([[3.9222567722907655, -9.199697249048533e-33, -4.8646826127526776e-33], [-2.521041765771564e-32, 3.9222567722907655, -2.4483749425467945e-17], [4.895603536720036e-33, -2.4483749425467955e-17, 3.9222567722907655]]) 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 = [ 3.08267277e-14 3.08267277e-14 3.08267277e-14 -2.57994352e-33 -1.71056941e-49 -6.39170404e-63] energy per atom = -17.101663216903283 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0