element(s): ['F', 'Na'] 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: ['4.6857'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['F', 'Na'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.6857, 0, 0], [0, 4.6857, 0], [0, 0, 4.6857]] ========================================= Step Time Energy fmax BFGS: 0 16:38:47 -30.895572 0.572326 BFGS: 1 16:38:48 -30.909194 0.538311 BFGS: 2 16:38:48 -30.973769 0.319523 BFGS: 3 16:38:49 -31.004055 0.080793 BFGS: 4 16:38:50 -31.005992 0.004900 BFGS: 5 16:38:51 -31.005999 0.000070 BFGS: 6 16:38:52 -31.005999 0.000000 BFGS: 7 16:38:52 -31.005999 0.000000 Minimization converged after 7 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 5.858279780229614e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['F', 'F', 'F', 'F', 'Na', 'Na', 'Na', 'Na'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [1.48326386e-49 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 0.00000000e+00 0.00000000e+00] [4.44979157e-49 5.00000000e-01 0.00000000e+00] [0.00000000e+00 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[4.61298751470959, -1.4268973795363862e-32, 7.634547117337743e-34], [-9.111830907488641e-33, 4.61298751470959, -8.590102531383369e-18], [-2.7217945464738096e-33, -8.59010253138337e-18, 4.61298751470959]]) 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 = [-5.85827978e-14 -5.85827978e-14 -5.85827978e-14 -3.34007372e-31 3.11301894e-34 -3.27694309e-51] energy per atom = -3.8757498680348053 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0