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 12:24:23 -9.947348 1.058149 BFGS: 1 12:24:23 -9.976923 0.223430 BFGS: 2 12:24:23 -9.978155 0.022713 BFGS: 3 12:24:23 -9.978168 0.000561 BFGS: 4 12:24:23 -9.978168 0.000001 BFGS: 5 12:24:23 -9.978168 0.000000 Minimization converged after 5 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.250668351131047e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Br', 'Cs'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[4.341704473850879, 1.8910243236051398e-33, 7.46756856929608e-34], [-2.538892657144647e-36, 4.341704473850879, 2.097908570105048e-20], [-6.6519885867280815e-34, 2.0979085701051076e-20, 4.341704473850879]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [-1.25066835e-12 -1.25066835e-12 -1.25066835e-12 -4.31686747e-29 -2.17960947e-34 -5.64967033e-51] energy per atom = -4.989083831572846 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0