element(s): ['Si'] AFLOW prototype label: A_hP4_194_f Parameter names: ['a', 'c/a', 'z1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.8496', '1.6527431', '0.56294015'] 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 0.56294015]] spacegroup = 194 cell = [[3.8496, 0, 0], [-1.9248, 3.3338513944086, 0], [0, 0, 6.3624]] ========================================= Step Time Energy fmax BFGS: 0 16:26:22 -18.503101 0.409683 BFGS: 1 16:26:22 -18.506135 0.345958 BFGS: 2 16:26:22 -18.512857 0.131374 BFGS: 3 16:26:22 -18.513830 0.104980 BFGS: 4 16:26:22 -18.514982 0.042642 BFGS: 5 16:26:22 -18.515049 0.041414 BFGS: 6 16:26:22 -18.515462 0.015039 BFGS: 7 16:26:22 -18.515489 0.005569 BFGS: 8 16:26:22 -18.515491 0.000333 BFGS: 9 16:26:22 -18.515491 0.000012 BFGS: 10 16:26:22 -18.515491 0.000000 BFGS: 11 16:26:22 -18.515491 0.000000 Minimization converged after 11 steps. Maximum force component: 7.42929119970842e-09 eV/Angstrom Maximum stress component: 2.334705574888804e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si'] basis = [[0.33333333 0.66666667 0.5625 ] [0.66666666 0.33333334 0.0625 ] [0.66666666 0.33333334 0.4375 ] [0.33333333 0.66666667 0.9375 ]] cellpar = Cell([[3.841085242934574, -2.948060775100941e-18, 3.3637528284364705e-37], [-1.920542621467287, 3.3264773984828633, 1.2934677090230678e-36], [1.3003130178049494e-36, 4.245983113897289e-36, 6.272465935305134]]) forces = [[ 2.84070186e-31 -5.46693327e-32 -7.42929120e-09] [-1.57816770e-31 5.46693327e-32 -7.42929120e-09] [-2.20943478e-31 -5.46693327e-32 7.42929120e-09] [ 1.57816770e-31 -5.46693327e-32 7.42929120e-09]] stress = [ 2.33470557e-10 2.33470557e-10 -1.30896038e-10 -3.93827748e-34 6.82129669e-34 -1.09161818e-25] energy per atom = -4.628872713879841 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0