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 17:32:55 -36.041363 0.354372 BFGS: 1 17:32:55 -36.054226 0.312958 BFGS: 2 17:32:56 -36.063638 0.323935 BFGS: 3 17:32:56 -36.069297 0.303643 BFGS: 4 17:32:56 -36.088043 0.251934 BFGS: 5 17:32:56 -36.099201 0.223133 BFGS: 6 17:32:56 -36.103140 0.167274 BFGS: 7 17:32:56 -36.103865 0.135941 BFGS: 8 17:32:56 -36.104465 0.105082 BFGS: 9 17:32:56 -36.105393 0.064652 BFGS: 10 17:32:56 -36.106323 0.055372 BFGS: 11 17:32:56 -36.106730 0.022768 BFGS: 12 17:32:56 -36.106794 0.004301 BFGS: 13 17:32:56 -36.106797 0.000538 BFGS: 14 17:32:56 -36.106797 0.000025 BFGS: 15 17:32:56 -36.106797 0.000001 BFGS: 16 17:32:56 -36.106797 0.000000 BFGS: 17 17:32:56 -36.106797 0.000000 Minimization converged after 17 steps. Maximum force component: 1.513487335458309e-09 eV/Angstrom Maximum stress component: 8.057124956487964e-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, -7.813955713185484e-36, 3.2185115222171724e-35], [-1.3074760055153896e-36, 6.57850195989051, 1.7857160649331167e-18], [1.830030146240153e-33, 1.0396479984815898e-18, 3.907801655141006]]) forces = [[-1.51348734e-09 -1.51348734e-09 -4.10856013e-28] [ 1.51348734e-09 1.51348734e-09 4.10831929e-28] [ 1.51348734e-09 -1.51348734e-09 -4.10849992e-28] [-1.51348734e-09 1.51348734e-09 4.10880096e-28] [-1.51348734e-09 -1.51348734e-09 -4.10831929e-28] [ 1.51348734e-09 1.51348734e-09 4.10831929e-28] [ 1.51348734e-09 -1.51348734e-09 -4.10831929e-28] [-1.51348734e-09 1.51348734e-09 4.10892138e-28]] stress = [-8.05712496e-11 -8.05712496e-11 2.78479786e-11 1.28082143e-26 -4.79469448e-34 -1.00103541e-50] energy per atom = -4.51334961713576 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0