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: Tersoff_LAMMPS_MunetohMotookaMoriguchi_2007_SiO__MO_501246546792_000 ==== 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 15:08:36 -3.284995 28.7629 BFGS: 1 15:08:36 -5.885154 16.7458 BFGS: 2 15:08:36 -6.785994 5.4787 BFGS: 3 15:08:36 -6.890040 2.6137 BFGS: 4 15:08:36 -6.908924 0.3771 BFGS: 5 15:08:36 -6.910469 0.4344 BFGS: 6 15:08:36 -6.918129 0.3523 BFGS: 7 15:08:36 -6.919167 0.1123 BFGS: 8 15:08:36 -6.919305 0.0062 BFGS: 9 15:08:36 -6.919310 0.0034 BFGS: 10 15:08:36 -6.919310 0.0006 BFGS: 11 15:08:36 -6.919310 0.0001 BFGS: 12 15:08:36 -6.919310 0.0000 BFGS: 13 15:08:36 -6.919310 0.0000 BFGS: 14 15:08:36 -6.919310 0.0000 Minimization converged after 14 steps. Maximum force component: 3.435847098242015e-31 eV/Angstrom Maximum stress component: 1.0586365434313118e-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([[2.6132721818273463, 5.631352809282571e-18, 4.3387476592458795e-37], [-1.3066360909136732, 2.263160096465668, 4.265200905914386e-37], [5.704119223475994e-37, 4.066865047552842e-36, 4.2675490295497855]]) forces = [[ 3.43584710e-31 -2.97553087e-31 -2.75552674e-68] [-3.43584710e-31 2.97553087e-31 2.75552674e-68]] stress = [-5.31121400e-11 -5.31121400e-11 -1.05863654e-10 -4.25407761e-34 -7.36827855e-34 2.88509554e-26] energy per atom = -3.4596548715285915 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0