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_WR_WangRockett_1991_Si__MO_081872846741_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 16:29:31 -37.021778 0.239722 BFGS: 1 16:29:31 -37.024165 0.224957 BFGS: 2 16:29:31 -37.041367 0.002096 BFGS: 3 16:29:31 -37.041368 0.000066 BFGS: 4 16:29:31 -37.041368 0.000000 BFGS: 5 16:29:31 -37.041368 0.000000 Minimization converged after 5 steps. Maximum force component: 3.256147843176356e-31 eV/Angstrom Maximum stress component: 8.449629204529217e-15 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[2.05432527e-33 7.06173697e-34 2.71915751e-34] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 5.00000000e-01 3.66843217e-34] [5.00000000e-01 1.60369225e-33 5.00000000e-01] [7.50000000e-01 2.50000000e-01 7.50000000e-01] [2.50000000e-01 2.50000000e-01 2.50000000e-01] [2.50000000e-01 7.50000000e-01 7.50000000e-01] [7.50000000e-01 7.50000000e-01 2.50000000e-01]] cellpar = Cell([[5.430477371643324, 1.3165407438023078e-39, -3.88579500949965e-35], [-3.782976393818049e-34, 5.430477371643324, 7.904042360422579e-20], [2.631094241785578e-33, 7.904042360421182e-20, 5.430477371643324]]) forces = [[ 5.57798346e-32 2.28697322e-31 8.36697519e-32] [-5.57798346e-32 2.06385388e-31 8.92477353e-32] [ 1.25504628e-32 3.25614784e-31 2.30091818e-32] [ 1.00403702e-31 -1.67339504e-31 7.80917684e-32] [ 1.00403702e-31 2.23119338e-31 -1.41541330e-31] [-1.81284462e-31 -3.12367074e-31 -4.54649272e-51] [ 9.48257188e-32 -8.92477353e-32 -1.28293620e-31] [-1.00403702e-31 -2.26605578e-31 8.92477353e-32]] stress = [ 8.44962920e-15 8.44962920e-15 8.44962920e-15 6.91112390e-30 -7.61370011e-64 -9.55060436e-65] energy per atom = -4.630170994175949 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0