element(s): ['Si'] AFLOW prototype label: A_hP4_194_f Parameter names: ['a', 'c/a', 'z1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.8496', '1.6527431', '0.56294015'] model name: SW_ZhangXieHu_2014OptimizedSW2_Si__MO_475612090600_005 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.33333333 0.66666667 0.56294015]] spacegroup = 194 cell = [[3.8496, 0, 0], [-1.9248, 3.3338513944086, 0], [0, 0, 6.3624]] ========================================= Step Time Energy fmax BFGS: 0 10:58:12 -13.825954 1.715440 BFGS: 1 10:58:12 -13.928653 1.553849 BFGS: 2 10:58:12 -14.106524 1.211753 BFGS: 3 10:58:12 -14.239021 0.849612 BFGS: 4 10:58:12 -14.322835 0.467137 BFGS: 5 10:58:12 -14.354744 0.066431 BFGS: 6 10:58:12 -14.355055 0.032523 BFGS: 7 10:58:12 -14.355118 0.031972 BFGS: 8 10:58:12 -14.355295 0.033200 BFGS: 9 10:58:12 -14.355382 0.028657 BFGS: 10 10:58:12 -14.355483 0.018453 BFGS: 11 10:58:13 -14.355506 0.006136 BFGS: 12 10:58:13 -14.355508 0.000505 BFGS: 13 10:58:13 -14.355508 0.000047 BFGS: 14 10:58:13 -14.355508 0.000003 BFGS: 15 10:58:13 -14.355508 0.000000 BFGS: 16 10:58:13 -14.355508 0.000000 BFGS: 17 10:58:13 -14.355508 0.000000 Minimization converged after 17 steps. Maximum force component: 6.512851706481204e-10 eV/Angstrom Maximum stress component: 1.7291219116299543e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si'] basis = [[0.33333333 0.66666667 0.5625 ] [0.66666666 0.33333334 0.0625 ] [0.66666666 0.33333334 0.4375 ] [0.33333333 0.66666667 0.9375 ]] cellpar = Cell([[3.661381998384638, 5.285934216687416e-19, -6.952139366330587e-37], [-1.830690999192319, 3.170849823560131, 3.18788204003107e-36], [1.6033877017288494e-36, 2.7693295837924467e-35, 5.9790117669891485]]) forces = [[-8.64992001e-32 1.75876837e-31 6.51285171e-10] [ 2.40693426e-31 3.01662572e-45 6.51285171e-10] [ 3.00866783e-32 -7.81674832e-32 -6.51285171e-10] [-1.20346713e-31 -3.01660834e-45 -6.51285171e-10]] stress = [ 5.69864902e-11 5.69864902e-11 1.72912191e-10 3.24328245e-45 1.28614396e-45 -7.93240269e-28] energy per atom = -3.5888770310093663 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0