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 14:12:05 -3.284995 28.762895 BFGS: 1 14:12:05 -5.885154 16.745802 BFGS: 2 14:12:05 -6.785994 5.478698 BFGS: 3 14:12:05 -6.890040 2.613669 BFGS: 4 14:12:05 -6.908924 0.377109 BFGS: 5 14:12:05 -6.910469 0.434444 BFGS: 6 14:12:05 -6.918129 0.352257 BFGS: 7 14:12:05 -6.919167 0.112313 BFGS: 8 14:12:05 -6.919305 0.006200 BFGS: 9 14:12:05 -6.919310 0.003384 BFGS: 10 14:12:05 -6.919310 0.000608 BFGS: 11 14:12:05 -6.919310 0.000056 BFGS: 12 14:12:05 -6.919310 0.000001 BFGS: 13 14:12:05 -6.919310 0.000000 BFGS: 14 14:12:05 -6.919310 0.000000 Minimization converged after 14 steps. Maximum force component: 5.610837650876118e-31 eV/Angstrom Maximum stress component: 1.05838532834556e-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([[2.6132721818273548, 3.7280446281450194e-18, -1.3017252635614585e-36], [-1.3066360909136774, 2.2631600964656764, -5.597018664412033e-36], [5.8471194954393866e-36, -6.258851607686609e-35, 4.267549029549756]]) forces = [[ 1.13745329e-31 -4.82361450e-32 -5.61083765e-31] [-9.66331996e-32 5.57912038e-32 5.61083765e-31]] stress = [-5.30963264e-11 -5.30963264e-11 -1.05838533e-10 -1.36130483e-32 3.66521760e-45 -6.35440080e-27] energy per atom = -3.459654871528608 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0