element(s): ['Si'] AFLOW prototype label: A_cF8_227_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['5.4673'] model name: ThreeBodyBondOrder_KDS_KhorDasSarma_1988_Si__MO_722489435928_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0 0 0]] spacegroup = 227 cell = [[5.4673, 0, 0], [0, 5.4673, 0], [0, 0, 5.4673]] ========================================= Step Time Energy fmax BFGS: 0 15:43:36 -37.899883 0.263604 BFGS: 1 15:43:36 -37.902770 0.247526 BFGS: 2 15:43:37 -37.923437 0.025228 BFGS: 3 15:43:37 -37.923643 0.001073 BFGS: 4 15:43:37 -37.923644 0.000004 BFGS: 5 15:43:37 -37.923644 0.000000 Minimization converged after 5 steps. Maximum force component: 2.5920228434996317e-31 eV/Angstrom Maximum stress component: 3.1082797210547273e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[0. 0. 0. ] [0. 0.5 0.5 ] [0.5 0.5 0. ] [0.5 0. 0.5 ] [0.75 0.25 0.75] [0.25 0.25 0.25] [0.25 0.75 0.75] [0.75 0.75 0.25]] cellpar = Cell([[5.426835511110342, -3.7854898071254186e-34, -4.5520086531989296e-36], [-2.5885899293713592e-48, 5.426835511110342, 2.803800668660534e-22], [3.86776760720298e-34, 2.8038006686681052e-22, 5.426835511110342]]) forces = [[-4.45939414e-32 7.80393974e-32 1.11484853e-32] [-1.39356067e-31 -2.11821222e-31 -2.78712134e-32] [-6.68909121e-32 -8.91878828e-32 -2.22969707e-32] [-1.33781824e-31 2.50840920e-31 -1.95098494e-31] [ 2.00672736e-31 -2.22969707e-32 7.24651548e-32] [-1.10091293e-31 -2.22969707e-32 8.91878828e-32] [ 8.91878828e-32 -2.78712134e-32 5.99231087e-32] [-8.91878828e-32 2.59202284e-31 1.78375766e-31]] stress = [3.10827972e-11 3.10827972e-11 3.10827972e-11 1.23308191e-26 1.39510177e-34 3.09365036e-50] energy per atom = -4.740455466266336 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0