element(s): ['Cr', '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: ['4.453'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cr', 'O'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.453, 0, 0], [0, 4.453, 0], [0, 0, 4.453]] ========================================= Step Time Energy fmax BFGS: 0 14:26:16 -97.373557 16.3506 BFGS: 1 14:26:16 -99.832104 16.4330 BFGS: 2 14:26:16 -102.301472 16.5112 BFGS: 3 14:26:16 -104.775348 16.4626 BFGS: 4 14:26:16 -107.236667 16.3421 BFGS: 5 14:26:16 -109.673839 16.1388 BFGS: 6 14:26:16 -112.073555 15.8405 BFGS: 7 14:26:16 -114.420564 15.4336 BFGS: 8 14:26:16 -116.697426 14.9025 BFGS: 9 14:26:16 -118.886500 14.2495 BFGS: 10 14:26:16 -120.963588 13.4164 BFGS: 11 14:26:16 -122.902255 12.3999 BFGS: 12 14:26:16 -124.673152 11.1750 BFGS: 13 14:26:16 -126.242945 9.7136 BFGS: 14 14:26:16 -127.573805 7.9837 BFGS: 15 14:26:17 -128.630418 6.0440 BFGS: 16 14:26:17 -129.363537 3.6699 BFGS: 17 14:26:17 -129.711880 0.9056 BFGS: 18 14:26:17 -129.732036 0.0933 BFGS: 19 14:26:17 -129.732245 0.0021 BFGS: 20 14:26:17 -129.732245 0.0000 BFGS: 21 14:26:17 -129.732245 0.0000 Minimization converged after 21 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 2.51088602928164e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cr', 'Cr', 'Cr', 'Cr', 'O', 'O', 'O', 'O'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 9.69854686e-35 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 4.36434609e-34] [0.00000000e+00 4.84927343e-35 5.00000000e-01]] cellpar = Cell([[3.9715845528802327, 1.0009416297358116e-32, 7.401681832314681e-33], [1.3987629278504713e-33, 3.9715845528802327, -1.902546611508496e-18], [-2.0796145236776854e-33, -1.902546611508458e-18, 3.9715845528802327]]) 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 = [-2.51088603e-11 -2.51088603e-11 -2.51088603e-11 -2.20677877e-27 -8.79114324e-34 -4.08479582e-50] energy per atom = -16.21653063187856 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0