element(s): ['N', 'Ti'] 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: ['4.3117'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['N', 'Ti'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.3117, 0, 0], [0, 4.3117, 0], [0, 0, 4.3117]] ========================================= Step Time Energy fmax BFGS: 0 15:49:31 -124.304530 27.799162 BFGS: 1 15:49:31 -128.064087 22.430569 BFGS: 2 15:49:31 -131.062825 17.644686 BFGS: 3 15:49:31 -133.383708 13.383309 BFGS: 4 15:49:31 -135.101415 9.594062 BFGS: 5 15:49:31 -136.283168 6.229789 BFGS: 6 15:49:31 -136.989597 3.287973 BFGS: 7 15:49:31 -137.280777 0.648827 BFGS: 8 15:49:31 -137.293581 0.048705 BFGS: 9 15:49:31 -137.293655 0.000806 BFGS: 10 15:49:31 -137.293655 0.000001 BFGS: 11 15:49:31 -137.293655 0.000000 Minimization converged after 11 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.980988417752458e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N', 'N', 'N', 'Ti', 'Ti', 'Ti', 'Ti'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 1.21437859e-48 0.00000000e+00] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [0.00000000e+00 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[4.507508750433756, -3.0756482786172856e-32, -7.564937935355993e-33], [-2.966996825637917e-32, 4.507508750433756, -6.126417937905562e-18], [7.810141533776236e-33, -6.1264179379055654e-18, 4.507508750433756]]) 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 = [-1.98098842e-12 -1.98098842e-12 -1.98098842e-12 -1.91297376e-30 3.23553447e-33 -6.39694339e-51] energy per atom = -17.16170692494361 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0