element(s): ['Cs', 'I'] 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: ['4.6648'] 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 = 221 cell = [[4.6648, 0, 0], [0, 4.6648, 0], [0, 0, 4.6648]] ========================================= Step Time Energy fmax BFGS: 0 13:02:52 -4.835547 2.793483 BFGS: 1 13:02:52 -5.139398 2.218004 BFGS: 2 13:02:52 -5.376541 0.777317 BFGS: 3 13:02:52 -5.390835 0.493015 BFGS: 4 13:02:52 -5.397594 0.047594 BFGS: 5 13:02:52 -5.397663 0.003254 BFGS: 6 13:02:52 -5.397663 0.000231 BFGS: 7 13:02:52 -5.397663 0.000000 BFGS: 8 13:02:53 -5.397663 0.000000 Minimization converged after 8 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 7.279542483631234e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cs', 'I'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.4142795405017505, 6.94109960591851e-34, 2.233077705905681e-32], [-9.834660501207667e-33, 4.4142795405017505, -1.452106914731106e-17], [-1.8636345653165365e-32, -1.4521069147311047e-17, 4.4142795405017505]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 7.27954248e-13 7.27954248e-13 7.27954248e-13 -6.39153953e-29 2.10852882e-34 -1.57819997e-50] energy per atom = -2.698831634893725 =============================================== 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.