element(s): ['Si'] AFLOW prototype label: A_hP2_194_c Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['2.6864', '1.708383'] model name: SW_LeeHwang_2012GGA_Si__MO_040570764911_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[2.6864, 0, 0], [-1.3432, 2.3264906447265, 0], [0, 0, 4.5894]] ========================================= Step Time Energy fmax BFGS: 0 14:10:21 2.336642 23.064425 BFGS: 1 14:10:21 -0.502720 16.515589 BFGS: 2 14:10:21 -2.451824 10.786200 BFGS: 3 14:10:21 -3.587039 6.010152 BFGS: 4 14:10:21 -4.092096 2.001415 BFGS: 5 14:10:21 -4.159625 0.315953 BFGS: 6 14:10:21 -4.161785 0.206658 BFGS: 7 14:10:21 -4.162768 0.248157 BFGS: 8 14:10:21 -4.164523 0.213016 BFGS: 9 14:10:21 -4.165313 0.096043 BFGS: 10 14:10:21 -4.165457 0.019193 BFGS: 11 14:10:21 -4.165465 0.002705 BFGS: 12 14:10:21 -4.165465 0.000245 BFGS: 13 14:10:21 -4.165465 0.000022 BFGS: 14 14:10:21 -4.165465 0.000000 BFGS: 15 14:10:21 -4.165465 0.000000 Minimization converged after 15 steps. Maximum force component: 4.043295330930267e-32 eV/Angstrom Maximum stress component: 2.350003979900036e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[3.0131579463071656, 1.6845926198867983e-17, 5.596573448479677e-35], [-1.5065789731535828, 2.6094713271169527, -3.2122205491841306e-36], [1.887209924291187e-34, 7.629913337385908e-34, 4.9204663230276005]]) forces = [[-1.54750163e-33 -2.68035145e-33 4.04329533e-32] [-1.54750163e-32 5.36070290e-33 -4.04329533e-32]] stress = [-2.35000398e-10 -2.35000398e-10 -7.64233886e-11 -2.39994714e-33 -5.54244050e-34 -6.94714875e-26] energy per atom = -2.0827324778022653 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0