element(s): ['Na'] AFLOW prototype label: A_cI2_229_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.1144'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Na'] representative atom coordinates = [[0 0 0]] spacegroup = 229 cell = [[4.1144, 0, 0], [0, 4.1144, 0], [0, 0, 4.1144]] ========================================= Step Time Energy fmax BFGS: 0 14:05:58 -2.089835 1.007095 BFGS: 1 14:05:58 -2.130256 0.867237 BFGS: 2 14:05:59 -2.226960 0.435212 BFGS: 3 14:05:59 -2.264345 0.073987 BFGS: 4 14:05:59 -2.265593 0.007686 BFGS: 5 14:05:59 -2.265607 0.000160 BFGS: 6 14:05:59 -2.265607 0.000000 BFGS: 7 14:05:59 -2.265607 0.000000 Minimization converged after 7 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 4.2612302382116714e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Na', 'Na'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.373279643172737, -1.1525456496784836e-32, 4.004736226222764e-34], [-6.106604547718276e-33, 4.373279643172737, 6.699299163646761e-18], [-2.528054883113233e-33, 6.6992991636467635e-18, 4.373279643172737]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [-4.26123024e-13 -4.26123024e-13 -4.26123024e-13 -1.20819817e-29 -1.07412472e-34 -1.94979966e-51] energy per atom = -1.1328036766086693 =============================================== 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 "Body-Centered Cubic" 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.