element(s): ['Ni', 'O'] 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: ['4.2269'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ni', 'O'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.2269, 0, 0], [0, 4.2269, 0], [0, 0, 4.2269]] ========================================= Step Time Energy fmax BFGS: 0 14:36:53 -101.541672 18.9799 BFGS: 1 14:36:53 -104.411962 19.2860 BFGS: 2 14:36:53 -107.325910 19.5610 BFGS: 3 14:36:54 -110.282367 19.8372 BFGS: 4 14:36:54 -113.273208 20.0327 BFGS: 5 14:36:54 -116.289593 20.1763 BFGS: 6 14:36:54 -119.329692 20.3401 BFGS: 7 14:36:54 -122.382798 20.3553 BFGS: 8 14:36:54 -125.432147 20.2879 BFGS: 9 14:36:54 -128.464393 20.1249 BFGS: 10 14:36:54 -131.464102 19.8515 BFGS: 11 14:36:54 -134.415874 19.4775 BFGS: 12 14:36:54 -137.298528 18.9318 BFGS: 13 14:36:54 -140.087044 18.2185 BFGS: 14 14:36:55 -142.754484 17.3132 BFGS: 15 14:36:55 -145.273863 16.2557 BFGS: 16 14:36:55 -147.612640 14.8835 BFGS: 17 14:36:55 -149.724630 13.2256 BFGS: 18 14:36:55 -151.568884 11.3569 BFGS: 19 14:36:55 -153.101217 9.0084 BFGS: 20 14:36:55 -154.250329 6.2382 BFGS: 21 14:36:55 -154.948721 2.9885 BFGS: 22 14:36:55 -155.127388 0.4795 BFGS: 23 14:36:55 -155.131664 0.0295 BFGS: 24 14:36:55 -155.131681 0.0003 BFGS: 25 14:36:55 -155.131681 0.0000 BFGS: 26 14:36:55 -155.131681 0.0000 Minimization converged after 26 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.1896120339978332e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ni', 'Ni', 'Ni', 'Ni', 'O', 'O', 'O', 'O'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [1.87408977e-48 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 2.10835099e-49 0.00000000e+00] [2.24890772e-48 5.00000000e-01 0.00000000e+00] [3.74817953e-49 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[3.6509871494358634, -1.2300833183188154e-33, -1.4746638344753697e-32], [-1.6551863393861417e-32, 3.6509871494358634, -4.351195883672971e-17], [1.7295021929798369e-32, -4.351195883672975e-17, 3.6509871494358634]]) 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 = [ 1.18961203e-13 1.18961203e-13 1.18961203e-13 -8.30083199e-30 -3.94259917e-61 -4.44721618e-62] energy per atom = -19.391460079919664 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0