element(s): ['Cl', 'K'] AFLOW prototype label: AB_cF8_225_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: ['6.3844'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Cl', 'K'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[6.3844, 0, 0], [0, 6.3844, 0], [0, 0, 6.3844]] ========================================= Step Time Energy fmax BFGS: 0 13:02:52 -26.488321 1.100095 BFGS: 1 13:02:52 -26.537520 0.986196 BFGS: 2 13:02:53 -26.656539 0.592547 BFGS: 3 13:02:53 -26.712679 0.146775 BFGS: 4 13:02:53 -26.716020 0.011673 BFGS: 5 13:02:53 -26.716045 0.001277 BFGS: 6 13:02:53 -26.716045 0.000293 BFGS: 7 13:02:53 -26.716045 0.000005 BFGS: 8 13:02:53 -26.716045 0.000000 BFGS: 9 13:02:53 -26.716045 0.000000 Minimization converged after 9 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 3.427324158747894e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Cl', 'Cl', 'Cl', 'Cl', 'K', 'K', 'K', 'K'] basis = [[0. 0. 0. ] [0. 0.5 0.5] [0.5 0. 0.5] [0.5 0.5 0. ] [0.5 0.5 0.5] [0.5 0. 0. ] [0. 0.5 0. ] [0. 0. 0.5]] cellpar = Cell([[6.279979766969799, -1.7925329551153316e-33, 1.692152910437874e-32], [-1.5423481983001187e-32, 6.279979766969799, -1.0859407499901095e-18], [-1.6447028249696557e-32, -1.0859407499900725e-18, 6.279979766969799]]) forces = [[0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.]] stress = [ 3.42732416e-14 3.42732416e-14 3.42732416e-14 -3.42455049e-31 4.27299170e-36 -1.95744233e-53] energy per atom = -3.339505592489491 =============================================== 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 "Rock Salt" 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.