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: Tersoff_LAMMPS_Tersoff_1989_SiC__MO_171585019474_004 ==== 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 17:33:00 -35.954408 0.451230 BFGS: 1 17:33:00 -35.972616 0.232543 BFGS: 2 17:33:00 -35.980750 0.192174 BFGS: 3 17:33:00 -35.981954 0.186230 BFGS: 4 17:33:00 -35.991120 0.142298 BFGS: 5 17:33:00 -35.993654 0.140627 BFGS: 6 17:33:00 -35.994444 0.115418 BFGS: 7 17:33:00 -35.994717 0.098663 BFGS: 8 17:33:00 -35.995366 0.057659 BFGS: 9 17:33:00 -35.996046 0.052739 BFGS: 10 17:33:00 -35.996494 0.029407 BFGS: 11 17:33:00 -35.996589 0.006931 BFGS: 12 17:33:00 -35.996597 0.001048 BFGS: 13 17:33:00 -35.996597 0.000052 BFGS: 14 17:33:00 -35.996597 0.000003 BFGS: 15 17:33:00 -35.996597 0.000000 BFGS: 16 17:33:00 -35.996597 0.000000 Minimization converged after 16 steps. Maximum force component: 1.8718651251599822e-10 eV/Angstrom Maximum stress component: 1.1229831240938175e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[0.81912313 0.81912313 0. ] [0.18087687 0.18087687 0. ] [0.18087687 0.81912313 0. ] [0.81912313 0.18087687 0. ] [0.31912313 0.31912313 0.5 ] [0.68087687 0.68087687 0.5 ] [0.68087687 0.31912313 0.5 ] [0.31912313 0.68087687 0.5 ]] cellpar = Cell([[6.6200511018860615, 9.364882137910558e-37, -1.4705134729506347e-33], [6.403167548509781e-37, 6.620051101886062, -2.0231430297496113e-18], [7.461392285353114e-33, -1.1765776707707943e-18, 3.8860722111952373]]) forces = [[ 1.87186513e-10 1.87186513e-10 -5.73255139e-29] [-1.87186513e-10 -1.87186513e-10 5.70141669e-29] [-1.87186513e-10 1.87186513e-10 -5.70620665e-29] [ 1.87186513e-10 -1.87186513e-10 5.73494637e-29] [ 1.87186513e-10 1.87186513e-10 -5.73015641e-29] [-1.87186513e-10 -1.87186513e-10 5.69902171e-29] [-1.87186513e-10 1.87186513e-10 -5.69857266e-29] [ 1.87186513e-10 -1.87186513e-10 5.72536646e-29]] stress = [ 1.12298312e-10 1.12298312e-10 -1.47051595e-11 1.93222699e-26 -2.25345837e-43 -2.93712883e-59] energy per atom = -4.499574600061196 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0