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_1988T2_Si__MO_245095684871_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 09:48:35 -36.424045 0.479426 BFGS: 1 09:48:35 -36.439725 0.414903 BFGS: 2 09:48:35 -36.453222 0.298117 BFGS: 3 09:48:35 -36.459262 0.256244 BFGS: 4 09:48:35 -36.484455 0.305044 BFGS: 5 09:48:35 -36.506481 0.329300 BFGS: 6 09:48:35 -36.526383 0.313280 BFGS: 7 09:48:35 -36.543344 0.433631 BFGS: 8 09:48:35 -36.557051 0.555310 BFGS: 9 09:48:35 -36.569306 0.636891 BFGS: 10 09:48:35 -36.581493 0.663547 BFGS: 11 09:48:35 -36.594270 0.658749 BFGS: 12 09:48:35 -36.607293 0.634684 BFGS: 13 09:48:36 -36.620153 0.597598 BFGS: 14 09:48:36 -36.632490 0.551095 BFGS: 15 09:48:36 -36.644009 0.497387 BFGS: 16 09:48:36 -36.654477 0.437823 BFGS: 17 09:48:36 -36.663704 0.373156 BFGS: 18 09:48:36 -36.671521 0.303664 BFGS: 19 09:48:36 -36.677767 0.229136 BFGS: 20 09:48:36 -36.682252 0.148577 BFGS: 21 09:48:36 -36.684708 0.058663 BFGS: 22 09:48:36 -36.685091 0.024127 BFGS: 23 09:48:36 -36.685239 0.017672 BFGS: 24 09:48:36 -36.685440 0.007409 BFGS: 25 09:48:36 -36.685463 0.003504 BFGS: 26 09:48:36 -36.685466 0.000214 BFGS: 27 09:48:36 -36.685466 0.000039 BFGS: 28 09:48:36 -36.685466 0.000011 BFGS: 29 09:48:36 -36.685466 0.000001 BFGS: 30 09:48:36 -36.685466 0.000000 BFGS: 31 09:48:36 -36.685466 0.000000 Minimization converged after 31 steps. Maximum force component: 4.6032905053972414e-10 eV/Angstrom Maximum stress component: 2.785304381190821e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[0.81048867 0.81048867 0. ] [0.18951133 0.18951133 0. ] [0.18951133 0.81048867 0. ] [0.81048867 0.18951133 0. ] [0.31048867 0.31048867 0.5 ] [0.68951133 0.68951133 0.5 ] [0.68951133 0.31048867 0.5 ] [0.31048867 0.68951133 0.5 ]] cellpar = Cell([[6.170465481022856, -7.162252109437184e-36, -2.7942327081465247e-32], [8.26406783807546e-37, 6.170465481022855, -2.0156782969252862e-17], [-4.906660904112924e-33, -1.1263827374126648e-17, 4.247599101323003]]) forces = [[-4.60329051e-10 -4.60329051e-10 1.50373627e-27] [ 4.60329051e-10 4.60329051e-10 -1.50369701e-27] [ 4.60329051e-10 -4.60329051e-10 1.50369701e-27] [-4.60329051e-10 4.60329051e-10 -1.50371010e-27] [-4.60329051e-10 -4.60329051e-10 1.50373627e-27] [ 4.60329051e-10 4.60329051e-10 -1.50371010e-27] [ 4.60329051e-10 -4.60329051e-10 1.50368392e-27] [-4.60329051e-10 4.60329051e-10 -1.50371010e-27]] stress = [-2.78530438e-11 -2.78530438e-11 1.17430937e-11 8.95279805e-28 -3.52712033e-34 -5.13617635e-50] energy per atom = -4.5856832125658045 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0