element(s): ['Cs', 'F'] 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: ['6.1106'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cs', 'F'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[6.1106, 0, 0], [0, 6.1106, 0], [0, 0, 6.1106]] ========================================= Step Time Energy fmax BFGS: 0 20:25:26 -28.257442 7.782186 BFGS: 1 20:25:26 -29.318889 6.398866 BFGS: 2 20:25:27 -30.184152 5.161433 BFGS: 3 20:25:27 -30.874000 4.057667 BFGS: 4 20:25:27 -31.407469 3.074291 BFGS: 5 20:25:27 -31.801707 2.199347 BFGS: 6 20:25:27 -32.072155 1.422066 BFGS: 7 20:25:27 -32.233736 0.741851 BFGS: 8 20:25:27 -32.298288 0.131361 BFGS: 9 20:25:27 -32.300554 0.009581 BFGS: 10 20:25:27 -32.300566 0.000138 BFGS: 11 20:25:27 -32.300566 0.000000 BFGS: 12 20:25:27 -32.300566 0.000000 Minimization converged after 12 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 7.240996392025818e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cs', 'Cs', 'Cs', 'Cs', 'F', 'F', 'F', 'F'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [6.38967191e-49 5.00000000e-01 5.00000000e-01] [5.00000000e-01 1.19902183e-34 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 2.42698202e-67 0.00000000e+00] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [3.94344209e-67 2.39804367e-34 5.00000000e-01]] cellpar = Cell([[6.425003747028975, -2.4921837595249316e-32, -2.0478726384993944e-32], [-1.0565541636797939e-32, 6.425003747028975, 7.321206215423733e-18], [2.618768270728832e-32, 7.321206215423698e-18, 6.425003747028975]]) 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 = [-7.24099639e-14 -7.24099639e-14 -7.24099639e-14 -9.86647380e-30 0.00000000e+00 -2.84012431e-62] energy per atom = -4.0375707649268975 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0