element(s): ['Cs', 'I'] 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: ['7.8526'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cs', 'I'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[7.8526, 0, 0], [0, 7.8526, 0], [0, 0, 7.8526]] ========================================= Step Time Energy fmax BFGS: 0 14:04:15 -17.323435 2.276467 BFGS: 1 14:04:16 -17.539234 2.144965 BFGS: 2 14:04:16 -17.844096 1.913699 BFGS: 3 14:04:16 -18.111367 1.642880 BFGS: 4 14:04:17 -18.334708 1.326991 BFGS: 5 14:04:17 -18.507408 0.968176 BFGS: 6 14:04:17 -18.621621 0.544420 BFGS: 7 14:04:17 -18.667450 0.054899 BFGS: 8 14:04:18 -18.667875 0.004508 BFGS: 9 14:04:18 -18.667878 0.000033 BFGS: 10 14:04:18 -18.667878 0.000000 BFGS: 11 14:04:19 -18.667878 0.000000 Minimization converged after 11 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.558265421080517e-15 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cs', 'Cs', 'Cs', 'Cs', 'I', 'I', 'I', 'I'] 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 4.09711514e-34] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 1.45558770e-48 5.45845388e-49] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [0.00000000e+00 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[7.5211162090989285, -5.817311509099633e-32, 1.1419328451923809e-32], [-4.944702733158019e-32, 7.5211162090989285, 5.1860362681599585e-17], [1.1313434097703702e-33, 5.18603626815996e-17, 7.5211162090989285]]) 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 = [-1.55826542e-15 -1.55826542e-15 -1.55826542e-15 7.95125571e-32 -4.53956903e-36 1.28634377e-52] energy per atom = -2.333484732979953 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Skipping parameter set 0 because of error while adding or validating property: ERROR(@kim_property_modify): input value "Rock Salt" doesn't meet the format specification. An integer equal to or greater than 1 or integer indices range of "start:stop". No parameter sets in this group successfully added a property instance. Skipping this group.