element(s): ['Si'] AFLOW prototype label: A_cF8_227_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['5.4673'] model name: Tersoff_LAMMPS_Tersoff_1988T3_Si__MO_186459956893_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0 0 0]] spacegroup = 227 cell = [[5.4673, 0, 0], [0, 5.4673, 0], [0, 0, 5.4673]] ========================================= Step Time Energy fmax BFGS: 0 15:27:58 -37.019590 0.232427 BFGS: 1 15:27:58 -37.021833 0.217945 BFGS: 2 15:27:58 -37.037786 0.007473 BFGS: 3 15:27:58 -37.037804 0.000228 BFGS: 4 15:27:58 -37.037804 0.000000 BFGS: 5 15:27:58 -37.037804 0.000000 Minimization converged after 5 steps. Maximum force component: 1.7436018214521147e-31 eV/Angstrom Maximum stress component: 3.4732239656745814e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[5.90618516e-33 1.60494161e-33 4.87946235e-33] [6.80495247e-33 5.00000000e-01 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [7.50000000e-01 2.50000000e-01 7.50000000e-01] [2.50000000e-01 2.50000000e-01 2.50000000e-01] [2.50000000e-01 7.50000000e-01 7.50000000e-01] [7.50000000e-01 7.50000000e-01 2.50000000e-01]] cellpar = Cell([[5.431978956036851, -1.5127750274237954e-33, -1.9127132141266842e-34], [1.512754914466007e-33, 5.431978956036851, -1.5343864596766373e-19], [-1.0058794459190957e-33, -1.5343864596766376e-19, 5.431978956036851]]) forces = [[-5.33542157e-32 1.74360182e-31 -1.67385775e-32] [ 8.43903282e-32 1.11590517e-32 4.74259695e-32] [-2.78976291e-32 -7.25338358e-32 -1.67385775e-32] [ 2.89437902e-32 1.39488146e-32 1.67385775e-32] [ 1.67385775e-32 -9.48519391e-32 -3.34771550e-32] [ 4.46362066e-32 -3.90566808e-32 1.67385775e-32] [-1.60411368e-31 4.32413252e-32 -1.56924164e-32] [ 1.11590517e-32 -5.57952583e-32 -4.46362066e-32]] stress = [-3.47322397e-13 -3.47322397e-13 -3.47322397e-13 -7.71269493e-29 -3.48115256e-35 -7.73010162e-51] energy per atom = -4.629725503248417 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0