element(s): ['Cl', '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: ['3.9974'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cl', 'Rb'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 221 cell = [[3.9974, 0, 0], [0, 3.9974, 0], [0, 0, 3.9974]] ========================================= Step Time Energy fmax BFGS: 0 13:02:51 -5.618807 1.969177 BFGS: 1 13:02:52 -5.749245 1.064524 BFGS: 2 13:02:52 -5.781914 0.511546 BFGS: 3 13:02:52 -5.788830 0.070209 BFGS: 4 13:02:52 -5.788974 0.003837 BFGS: 5 13:02:52 -5.788974 0.000031 BFGS: 6 13:02:52 -5.788974 0.000000 BFGS: 7 13:02:52 -5.788974 0.000000 Minimization converged after 7 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.8531849325278406e-15 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cl', 'Rb'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[3.893746494241772, 1.8382795619844777e-32, -3.160136233470466e-32], [-9.797839890803698e-34, 3.893746494241772, -4.6555598501764496e-18], [-2.0247074151719402e-32, -4.65555985017647e-18, 3.893746494241772]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 1.85318493e-15 1.85318493e-15 1.85318493e-15 -1.56223757e-31 -2.70996610e-34 4.24991815e-50] energy per atom = -2.8944872425363957 =============================================== 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.