element(s): ['Ca', '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: ['4.84'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ca', 'O'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.84, 0, 0], [0, 4.84, 0], [0, 0, 4.84]] ========================================= Step Time Energy fmax BFGS: 0 14:23:43 -28.174602 1.0816 BFGS: 1 14:23:43 -28.221764 0.9524 BFGS: 2 14:23:43 -28.331037 0.4941 BFGS: 3 14:23:43 -28.367987 0.0109 BFGS: 4 14:23:43 -28.368003 0.0012 BFGS: 5 14:23:43 -28.368003 0.0000 BFGS: 6 14:23:43 -28.368003 0.0000 Minimization converged after 6 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.5499555113793182e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ca', 'Ca', 'Ca', 'Ca', '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 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 3.60893432e-69 7.17108127e-50] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [0.00000000e+00 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[4.770743348118863, -4.403525271726057e-33, 3.596197684613208e-33], [-2.7894913316644798e-33, 4.770743348118863, -2.4009349143124207e-19], [-3.718659841811458e-33, -2.4009349143124226e-19, 4.770743348118863]]) 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 = [-1.54995551e-11 -1.54995551e-11 -1.54995551e-11 2.77040971e-29 -2.25650921e-35 1.07615949e-52] energy per atom = -3.5460004095420135 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0