element(s): ['Br', 'Cs'] AFLOW prototype label: AB_cP2_221_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: ['4.3829'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Br', 'Cs'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 221 cell = [[4.3829, 0, 0], [0, 4.3829, 0], [0, 0, 4.3829]] ========================================= Step Time Energy fmax BFGS: 0 13:02:52 -5.514258 3.116734 BFGS: 1 13:02:52 -5.881846 2.291855 BFGS: 2 13:02:52 -6.105284 0.491414 BFGS: 3 13:02:52 -6.110840 0.240469 BFGS: 4 13:02:52 -6.112350 0.013646 BFGS: 5 13:02:52 -6.112355 0.000350 BFGS: 6 13:02:52 -6.112355 0.000001 BFGS: 7 13:02:52 -6.112355 0.000000 Minimization converged after 7 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 5.440836763575505e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Br', 'Cs'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.155131562290212, -5.135025270399823e-33, -6.39665668608298e-33], [2.714585546778953e-33, 4.155131562290212, -4.695788413063484e-18], [1.47767067390733e-33, -4.695788413063491e-18, 4.155131562290212]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 5.44083676e-13 5.44083676e-13 5.44083676e-13 1.17166148e-28 -2.97467593e-35 -3.49583186e-51] energy per atom = -3.056177319632809 =============================================== 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 "CsCl" 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.