element(s): ['I', 'Rb'] 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: ['4.4866'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['I', 'Rb'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 221 cell = [[4.4866, 0, 0], [0, 4.4866, 0], [0, 0, 4.4866]] ========================================= Step Time Energy fmax BFGS: 0 14:04:14 -4.138263 1.996628 BFGS: 1 14:04:15 -4.285129 1.384492 BFGS: 2 14:04:15 -4.358590 0.651796 BFGS: 3 14:04:15 -4.369522 0.166272 BFGS: 4 14:04:15 -4.370409 0.014404 BFGS: 5 14:04:15 -4.370416 0.000365 BFGS: 6 14:04:15 -4.370416 0.000001 BFGS: 7 14:04:15 -4.370416 0.000000 Minimization converged after 7 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 9.76499538745172e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['I', 'Rb'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.338379381321436, 6.117084808960504e-33, 5.412063581216429e-34], [7.640447919243897e-33, 4.338379381321436, 1.6042036556574589e-19], [-7.238702539093371e-34, 1.6042036556575157e-19, 4.338379381321436]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 9.76499539e-13 9.76499539e-13 9.76499539e-13 3.46568820e-30 4.36590364e-34 -2.72899669e-52] energy per atom = -2.1852078982618965 =============================================== 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.