element(s): ['C'] AFLOW prototype label: A_hR4_166_2c Parameter names: ['a', 'c/a', 'x1', 'x2'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['2.467734', '14.757233', '0.94637264', '0.72030293'] model name: Tersoff_LAMMPS_Tersoff_1988_C__MO_579868029681_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['C', 'C'] representative atom coordinates = [[0. 0. 0.44637264] [0. 0. 0.22030293]] spacegroup = 166 cell = [[2.4677, 0, 0], [-1.23385, 2.1370908889189, 0], [0, 0, 36.4169]] ========================================= Step Time Energy fmax BFGS: 0 16:01:26 -88.276892 1.6107 BFGS: 1 16:01:27 -88.347915 1.4761 BFGS: 2 16:01:27 -88.481180 1.1907 BFGS: 3 16:01:27 -88.586356 0.9144 BFGS: 4 16:01:27 -88.664353 0.6470 BFGS: 5 16:01:27 -88.716053 0.3884 BFGS: 6 16:01:27 -88.742317 0.1383 BFGS: 7 16:01:27 -88.746227 0.0036 BFGS: 8 16:01:27 -88.746230 0.0001 BFGS: 9 16:01:27 -88.746230 0.0000 BFGS: 10 16:01:27 -88.746230 0.0000 BFGS: 11 16:01:27 -88.746230 0.0000 BFGS: 12 16:01:27 -88.746230 0.0000 Minimization converged after 12 steps. Maximum force component: 8.431855691371415e-09 eV/Angstrom Maximum stress component: 3.6952558018851236e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['C', 'C', 'C', 'C', 'C', 'C', 'C', 'C', 'C', 'C', 'C', 'C'] basis = [[2.84024222e-31 5.61971065e-31 4.46368188e-01] [0.00000000e+00 1.03900403e-16 5.53631812e-01] [6.66666667e-01 3.33333333e-01 7.79701522e-01] [6.66666667e-01 3.33333333e-01 8.86965145e-01] [3.33333333e-01 6.66666667e-01 1.13034855e-01] [3.33333333e-01 6.66666667e-01 2.20298478e-01] [1.14897458e-17 2.76204841e-31 2.20298478e-01] [1.00000000e+00 9.81213421e-31 7.79701522e-01] [6.66666667e-01 3.33333333e-01 5.53631812e-01] [6.66666667e-01 3.33333333e-01 1.13034855e-01] [3.33333333e-01 6.66666667e-01 8.86965145e-01] [3.33333333e-01 6.66666667e-01 4.46368188e-01]] cellpar = Cell([[2.5296784693894683, 2.796660392822784e-18, 3.0014726594042467e-38], [-1.2648392346947341, 2.1907658178978147, 3.960337972898301e-33], [-1.2190609772870635e-37, -2.686847119170325e-30, 36.41689983385308]]) forces = [[-1.21951161e-30 1.92023279e-31 -8.43185569e-09] [ 9.14633705e-31 -1.20014549e-30 8.43185569e-09] [-1.31651821e-30 4.80058202e-32 -8.43185569e-09] [ 8.86917532e-31 -1.15213967e-30 8.43185569e-09] [-1.33037630e-30 6.22104221e-40 -8.43185569e-09] [ 8.86917532e-31 -7.68093115e-31 8.43185569e-09] [-1.10864692e-31 6.22104223e-40 -8.43185569e-09] [ 3.60310247e-31 -6.22104223e-40 8.43185569e-09] [ 2.77161729e-31 -4.80058196e-31 -8.43185569e-09] [ 2.21729383e-31 -6.22104223e-40 8.43185569e-09] [ 1.66297037e-31 -3.84046556e-31 -8.43185569e-09] [ 1.10864692e-31 -1.92023279e-31 8.43185569e-09]] stress = [ 3.69525580e-10 3.69525580e-10 1.06839163e-19 2.72636784e-41 3.16961811e-49 -3.77811948e-26] energy per atom = -7.395519132241437 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0