element(s): ['Ge'] AFLOW prototype label: A_hP8_194_ef Parameter names: ['a', 'c/a', 'z1', 'z2'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.0525', '3.2827144', '0.093193141', '0.65583867'] model name: Tersoff_LAMMPS_MahdizadehAkhlamadi_2017_Ge__MO_344019981553_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ge', 'Ge'] representative atom coordinates = [[0. 0. 0.09319314] [0.33333333 0.66666667 0.15583867]] spacegroup = 194 cell = [[4.0525, 0, 0], [-2.02625, 3.5095679488364, 0], [0, 0, 13.3032]] ========================================= Step Time Energy fmax BFGS: 0 15:43:48 -33.440937 1.0785 BFGS: 1 15:43:48 -33.484175 1.0310 BFGS: 2 15:43:48 -33.609271 0.8684 BFGS: 3 15:43:48 -33.710540 0.6930 BFGS: 4 15:43:48 -33.786898 0.5050 BFGS: 5 15:43:48 -33.837300 0.3046 BFGS: 6 15:43:48 -33.860854 0.0922 BFGS: 7 15:43:48 -33.863062 0.0631 BFGS: 8 15:43:48 -33.863516 0.0438 BFGS: 9 15:43:48 -33.864007 0.0121 BFGS: 10 15:43:48 -33.864018 0.0127 BFGS: 11 15:43:48 -33.864025 0.0134 BFGS: 12 15:43:48 -33.864039 0.0122 BFGS: 13 15:43:48 -33.864054 0.0076 BFGS: 14 15:43:48 -33.864062 0.0021 BFGS: 15 15:43:48 -33.864064 0.0006 BFGS: 16 15:43:48 -33.864064 0.0001 BFGS: 17 15:43:48 -33.864064 0.0000 BFGS: 18 15:43:48 -33.864064 0.0000 BFGS: 19 15:43:48 -33.864064 0.0000 BFGS: 20 15:43:48 -33.864064 0.0000 BFGS: 21 15:43:48 -33.864064 0.0000 Minimization converged after 21 steps. Maximum force component: 3.734359672968435e-09 eV/Angstrom Maximum stress component: 1.607804966121452e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ge', 'Ge', 'Ge', 'Ge', 'Ge', 'Ge', 'Ge', 'Ge'] basis = [[1.68610277e-35 0.00000000e+00 9.37500000e-02] [0.00000000e+00 2.27777056e-35 5.93750000e-01] [0.00000000e+00 3.76553720e-35 9.06250000e-01] [1.35946381e-36 0.00000000e+00 4.06250000e-01] [3.33333333e-01 6.66666667e-01 1.56250000e-01] [6.66666667e-01 3.33333333e-01 6.56250000e-01] [6.66666667e-01 3.33333333e-01 8.43750000e-01] [3.33333333e-01 6.66666667e-01 3.43750000e-01]] cellpar = Cell([[3.92644869953487, 7.037472469196122e-18, 1.2397786455816265e-36], [-1.963224349767435, 3.40040432045357, 2.5097736230109896e-36], [4.9747588710380886e-36, 1.1152519285076712e-35, 12.82372775446096]]) forces = [[-1.12926839e-31 5.30900777e-31 -2.41958051e-09] [-8.87282308e-32 1.81623950e-31 -2.41958051e-09] [-8.06620280e-32 3.63247900e-31 2.41958051e-09] [ 9.38905737e-46 -4.47074338e-31 2.41958051e-09] [-1.93588867e-31 -3.35305754e-31 3.73435967e-09] [-3.54912923e-31 -1.67652877e-31 3.73435967e-09] [ 1.29059245e-31 -1.11768585e-31 -3.73435967e-09] [-2.58118490e-31 4.47074338e-31 -3.73435967e-09]] stress = [ 1.66554112e-11 1.66554112e-11 1.60780497e-10 1.50755907e-33 1.30558445e-33 -1.46145435e-27] energy per atom = -4.233007965353964 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0