element(s): ['Br', 'Cs'] 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: ['4.3829'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Br', 'Cs'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 221 cell = [[4.3829, 0, 0], [0, 4.3829, 0], [0, 0, 4.3829]] ========================================= Step Time Energy fmax BFGS: 0 16:05:49 -9.947348 1.058149 BFGS: 1 16:05:49 -9.976923 0.223430 BFGS: 2 16:05:49 -9.978155 0.022713 BFGS: 3 16:05:49 -9.978168 0.000561 BFGS: 4 16:05:49 -9.978168 0.000001 BFGS: 5 16:05:49 -9.978168 0.000000 Minimization converged after 5 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.252140638526789e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Br', 'Cs'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.341704473850878, -7.572382359116377e-33, -1.9346946130305326e-33], [-9.70171939288674e-33, 4.341704473850878, 1.8207120183811514e-20], [1.0160991036120044e-32, 1.8207120183794722e-20, 4.341704473850878]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [-1.25214064e-12 -1.25214064e-12 -1.25214064e-12 1.28449293e-28 -2.17960947e-34 -3.75510693e-52] energy per atom = -4.989083831572844 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0