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 15:59:09 2.336642 23.064425 BFGS: 1 15:59:09 -0.502720 16.515589 BFGS: 2 15:59:09 -2.451824 10.786200 BFGS: 3 15:59:09 -3.587039 6.010152 BFGS: 4 15:59:09 -4.092096 2.001415 BFGS: 5 15:59:09 -4.159625 0.315953 BFGS: 6 15:59:09 -4.161785 0.206658 BFGS: 7 15:59:09 -4.162768 0.248157 BFGS: 8 15:59:09 -4.164523 0.213016 BFGS: 9 15:59:09 -4.165313 0.096043 BFGS: 10 15:59:09 -4.165457 0.019193 BFGS: 11 15:59:09 -4.165465 0.002705 BFGS: 12 15:59:09 -4.165465 0.000245 BFGS: 13 15:59:09 -4.165465 0.000022 BFGS: 14 15:59:09 -4.165465 0.000000 BFGS: 15 15:59:09 -4.165465 0.000000 Minimization converged after 15 steps. Maximum force component: 3.095003261846036e-33 eV/Angstrom Maximum stress component: 2.3499817180207426e-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([[3.013157946307166, 1.4558461846201248e-17, 1.3714468837408746e-35], [-1.506578973153583, 2.6094713271169536, -7.976052103775078e-35], [-1.2801959617916582e-34, -3.4964210437742374e-34, 4.920466323027601]]) forces = [[-3.09500326e-33 -1.49539081e-50 -1.40869900e-68] [ 1.68049005e-33 7.74789091e-34 -1.39972257e-68]] stress = [-2.34998172e-10 -2.34998172e-10 -7.64212823e-11 2.55994361e-33 1.10848810e-33 6.39527159e-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