element(s): ['F', '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: ['5.4191'] model name: Sim_LAMMPS_EIM_Zhou_2010_BrClCsFIKLiNaRb__SM_259779394709_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['F', 'K'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[5.4191, 0, 0], [0, 5.4191, 0], [0, 0, 5.4191]] ========================================= Step Time Energy fmax BFGS: 0 13:02:52 -30.458107 0.859455 BFGS: 1 13:02:52 -30.488705 0.805725 BFGS: 2 13:02:52 -30.586977 0.499140 BFGS: 3 13:02:52 -30.636874 0.160635 BFGS: 4 13:02:53 -30.642321 0.025245 BFGS: 5 13:02:53 -30.642484 0.007227 BFGS: 6 13:02:53 -30.642494 0.000952 BFGS: 7 13:02:53 -30.642494 0.000070 BFGS: 8 13:02:53 -30.642494 0.000001 BFGS: 9 13:02:53 -30.642494 0.000000 Minimization converged after 9 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.931051092830242e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['F', 'F', 'F', 'F', 'K', 'K', 'K', 'K'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 3.61706216e-35] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 3.61706216e-35] [0.00000000e+00 3.61706216e-35 5.00000000e-01]] cellpar = Cell([[5.324569668084835, 2.2262877286836247e-32, -3.108155085304865e-33], [4.686542273568639e-32, 5.324569668084835, 2.0881881896250296e-18], [7.717157613977505e-34, 2.0881881896250257e-18, 5.324569668084835]]) 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 = [ 1.93105109e-11 1.93105109e-11 1.93105109e-11 -1.98536677e-28 7.24603090e-35 -1.37655982e-51] energy per atom = -3.830311741224091 =============================================== 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.