element(s): ['I', 'K'] 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: ['7.1729'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['I', 'K'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[7.1729, 0, 0], [0, 7.1729, 0], [0, 0, 7.1729]] ========================================= Step Time Energy fmax BFGS: 0 16:49:39 -32.731343 4.963367 BFGS: 1 16:49:40 -33.472592 4.915960 BFGS: 2 16:49:40 -34.204852 4.842947 BFGS: 3 16:49:40 -34.924014 4.740681 BFGS: 4 16:49:40 -35.625749 4.614396 BFGS: 5 16:49:41 -36.305426 4.441231 BFGS: 6 16:49:41 -36.955962 4.224931 BFGS: 7 16:49:41 -37.570458 3.959667 BFGS: 8 16:49:42 -38.141297 3.649141 BFGS: 9 16:49:42 -38.660764 3.265948 BFGS: 10 16:49:42 -39.120322 2.835373 BFGS: 11 16:49:42 -39.506669 2.301681 BFGS: 12 16:49:43 -39.806283 1.677083 BFGS: 13 16:49:43 -40.004661 0.949777 BFGS: 14 16:49:43 -40.085420 0.106482 BFGS: 15 16:49:43 -40.086346 0.008981 BFGS: 16 16:49:44 -40.086353 0.000076 BFGS: 17 16:49:44 -40.086353 0.000000 BFGS: 18 16:49:44 -40.086353 0.000000 Minimization converged after 18 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 7.725819076897739e-15 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['I', 'I', 'I', 'I', 'K', 'K', 'K', 'K'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 5.88965151e-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 8.36969819e-49 4.18484910e-49] [8.36969819e-49 5.00000000e-01 0.00000000e+00] [0.00000000e+00 5.88965151e-35 5.00000000e-01]] cellpar = Cell([[6.540047203311573, 5.451027100792578e-32, 1.4658173539983651e-32], [2.7903512545445524e-32, 6.540047203311573, -4.794051620024612e-18], [-2.082163430071727e-32, -4.7940516200245816e-18, 6.540047203311573]]) 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 = [-7.72581908e-15 -7.72581908e-15 -7.72581908e-15 2.42192757e-32 3.24929315e-62 -1.67469219e-62] energy per atom = -5.010794096663502 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0