element(s): ['Ge'] AFLOW prototype label: A_tI4_141_a Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['5.1602', '0.55650944'] model name: Tersoff_LAMMPS_MahdizadehAkhlamadi_2017_Ge__MO_344019981553_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ge'] representative atom coordinates = [[0 0 0]] spacegroup = 141 cell = [[5.1602, 0, 0], [0, 5.1602, 0], [0, 0, 2.8717]] ========================================= Step Time Energy fmax BFGS: 0 09:47:33 -16.322620 11.727699 BFGS: 1 09:47:33 -16.841315 7.712623 BFGS: 2 09:47:33 -17.160639 2.614235 BFGS: 3 09:47:33 -17.349373 2.429868 BFGS: 4 09:47:33 -17.573914 2.118164 BFGS: 5 09:47:33 -17.738047 1.749688 BFGS: 6 09:47:33 -17.840680 1.320892 BFGS: 7 09:47:33 -17.886529 0.831372 BFGS: 8 09:47:33 -17.897215 0.585955 BFGS: 9 09:47:33 -17.911513 0.447278 BFGS: 10 09:47:33 -17.928847 0.281363 BFGS: 11 09:47:33 -17.935464 0.092744 BFGS: 12 09:47:33 -17.936512 0.013716 BFGS: 13 09:47:33 -17.936521 0.000771 BFGS: 14 09:47:33 -17.936521 0.000025 BFGS: 15 09:47:33 -17.936521 0.000001 BFGS: 16 09:47:33 -17.936521 0.000000 BFGS: 17 09:47:33 -17.936521 0.000000 Minimization converged after 17 steps. Maximum force component: 4.232729167334707e-31 eV/Angstrom Maximum stress component: 1.783225574668043e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ge', 'Ge', 'Ge', 'Ge'] basis = [[0.00000000e+00 0.00000000e+00 4.47778551e-33] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [0.00000000e+00 5.00000000e-01 2.50000000e-01] [5.00000000e-01 2.66960752e-33 7.50000000e-01]] cellpar = Cell([[4.905711240754625, 3.530370694531164e-37, -1.3164260146209438e-39], [4.0042139422635e-36, 4.905711240754628, 6.509714632059538e-18], [-2.929163990928961e-37, 3.664860628083217e-18, 2.569899798577975]]) forces = [[ 1.43610454e-31 -4.23272917e-31 -5.61668994e-49] [ 2.64545573e-31 -9.07013393e-32 1.58382303e-32] [-4.91298921e-32 6.04675595e-32 -3.16764606e-32] [-1.77623456e-31 -1.20935119e-31 -3.16764606e-32]] stress = [ 7.61231045e-12 7.61231045e-12 1.78322557e-11 -1.26463305e-85 3.09869785e-49 8.51555198e-64] energy per atom = -4.484130260180163 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0