element(s): ['Cl', 'Rb'] 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: ['6.7009'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cl', 'Rb'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[6.7009, 0, 0], [0, 6.7009, 0], [0, 0, 6.7009]] ========================================= Step Time Energy fmax BFGS: 0 14:26:16 -51.236709 6.4463 BFGS: 1 14:26:16 -52.187032 6.2142 BFGS: 2 14:26:16 -53.097803 5.9192 BFGS: 3 14:26:16 -53.959557 5.5593 BFGS: 4 14:26:16 -54.761919 5.1259 BFGS: 5 14:26:16 -55.493173 4.6095 BFGS: 6 14:26:16 -56.140088 3.9995 BFGS: 7 14:26:16 -56.687744 3.2839 BFGS: 8 14:26:16 -57.120063 2.4554 BFGS: 9 14:26:16 -57.422908 1.5246 BFGS: 10 14:26:16 -57.569793 0.4073 BFGS: 11 14:26:16 -57.579908 0.0411 BFGS: 12 14:26:16 -57.580009 0.0010 BFGS: 13 14:26:16 -57.580009 0.0000 BFGS: 14 14:26:16 -57.580009 0.0000 Minimization converged after 14 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 3.6123355062814413e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cl', 'Cl', 'Cl', 'Cl', 'Rb', 'Rb', 'Rb', 'Rb'] 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 6.14508604e-35] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [8.65071108e-68 6.14508604e-35 5.00000000e-01]] cellpar = Cell([[6.268195215726228, -1.1613332463700031e-32, 5.642776613090632e-34], [-8.824017348413742e-33, 6.268195215726228, -4.7760072317234485e-18], [-3.834381981906019e-34, -4.7760072317234485e-18, 6.268195215726228]]) 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 = [-3.61233551e-12 -3.61233551e-12 -3.61233551e-12 1.28242049e-30 -1.30714628e-35 -1.39011450e-53] energy per atom = -7.197501131707484 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0