element(s): ['Si'] AFLOW prototype label: A_tI8_139_h Parameter names: ['a', 'c/a', 'x1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['6.6881', '0.57703982', '0.8213634'] model name: Sim_LAMMPS_ModifiedTersoff_KumagaiIzumiHara_2007_Si__SM_773333226968_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.8213634 0.8213634 0. ]] spacegroup = 139 cell = [[6.6881, 0, 0], [0, 6.6881, 0], [0, 0, 3.8593]] ========================================= Step Time Energy fmax BFGS: 0 17:20:35 -36.041363 0.3544 BFGS: 1 17:20:35 -36.054226 0.3130 BFGS: 2 17:20:35 -36.063638 0.3239 BFGS: 3 17:20:35 -36.069297 0.3036 BFGS: 4 17:20:35 -36.088043 0.2519 BFGS: 5 17:20:35 -36.099201 0.2231 BFGS: 6 17:20:35 -36.103140 0.1673 BFGS: 7 17:20:35 -36.103865 0.1359 BFGS: 8 17:20:35 -36.104465 0.1051 BFGS: 9 17:20:35 -36.105393 0.0647 BFGS: 10 17:20:35 -36.106323 0.0554 BFGS: 11 17:20:35 -36.106730 0.0228 BFGS: 12 17:20:35 -36.106794 0.0043 BFGS: 13 17:20:35 -36.106797 0.0005 BFGS: 14 17:20:35 -36.106797 0.0000 BFGS: 15 17:20:35 -36.106797 0.0000 BFGS: 16 17:20:35 -36.106797 0.0000 BFGS: 17 17:20:35 -36.106797 0.0000 Minimization converged after 17 steps. Maximum force component: 1.5134784640824519e-09 eV/Angstrom Maximum stress component: 8.057083860634802e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[0.819284 0.819284 0. ] [0.180716 0.180716 0. ] [0.180716 0.819284 0. ] [0.819284 0.180716 0. ] [0.319284 0.319284 0.5 ] [0.680716 0.680716 0.5 ] [0.680716 0.319284 0.5 ] [0.319284 0.680716 0.5 ]] cellpar = Cell([[6.578501959890511, 1.123007735713742e-35, 3.959915114452302e-34], [1.7377743884239334e-35, 6.578501959890512, 2.0957434278062933e-18], [1.4988143854613795e-32, 1.2455187153540456e-18, 3.907801655141006]]) forces = [[-1.51347846e-09 -1.51347846e-09 -4.82197896e-28] [ 1.51347846e-09 1.51347846e-09 4.82252084e-28] [ 1.51347846e-09 -1.51347846e-09 -4.82282189e-28] [-1.51347846e-09 1.51347846e-09 4.82348419e-28] [-1.51347846e-09 -1.51347846e-09 -4.82155750e-28] [ 1.51347846e-09 1.51347846e-09 4.82312294e-28] [ 1.51347846e-09 -1.51347846e-09 -4.82300252e-28] [-1.51347846e-09 1.51347846e-09 4.82331109e-28]] stress = [-8.05708386e-11 -8.05708386e-11 2.78479103e-11 6.69477874e-27 -4.79469447e-34 -1.00103541e-50] energy per atom = -4.513349617135761 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0