element(s): ['I', 'K'] 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: ['4.3387'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['I', 'K'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 221 cell = [[4.3387, 0, 0], [0, 4.3387, 0], [0, 0, 4.3387]] ========================================= Step Time Energy fmax BFGS: 0 13:02:52 -4.566190 2.147975 BFGS: 1 13:02:52 -4.734397 1.451518 BFGS: 2 13:02:52 -4.818818 0.538493 BFGS: 3 13:02:52 -4.826664 0.132122 BFGS: 4 13:02:52 -4.827232 0.010053 BFGS: 5 13:02:52 -4.827236 0.000385 BFGS: 6 13:02:52 -4.827236 0.000000 BFGS: 7 13:02:52 -4.827236 0.000000 Minimization converged after 7 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 5.088181373936131e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['I', 'K'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.186774990111995, 2.849293595201194e-33, 5.564395985742691e-34], [-5.88196246926014e-33, 4.186774990111995, 8.147634701402346e-19], [9.079399974731971e-33, 8.147634701402282e-19, 4.186774990111995]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [5.08818137e-13 5.08818137e-13 5.08818137e-13 1.04421126e-28 2.92988096e-35 2.90667688e-51] energy per atom = -2.4136177527164016 =============================================== 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.