element(s): ['Ge'] AFLOW prototype label: A_hP2_194_c 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: ['2.96', '1.708277'] model name: Tersoff_LAMMPS_MahdizadehAkhlamadi_2017_Ge__MO_344019981553_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ge'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[2.96, 0, 0], [-1.48, 2.5634351952019, 0], [0, 0, 5.0565]] ========================================= Step Time Energy fmax BFGS: 0 14:56:01 -3.577996 28.6895 BFGS: 1 14:56:01 -6.724892 21.8947 BFGS: 2 14:56:01 -8.930506 20.5420 BFGS: 3 14:56:01 -10.074764 12.7376 BFGS: 4 14:56:01 -10.558270 3.2739 BFGS: 5 14:56:01 -10.594979 0.7281 BFGS: 6 14:56:01 -10.601246 0.5950 BFGS: 7 14:56:01 -10.615832 0.1813 BFGS: 8 14:56:01 -10.616062 0.1638 BFGS: 9 14:56:01 -10.616337 0.1725 BFGS: 10 14:56:01 -10.617126 0.1552 BFGS: 11 14:56:01 -10.617768 0.0930 BFGS: 12 14:56:01 -10.618070 0.0432 BFGS: 13 14:56:01 -10.618114 0.0095 BFGS: 14 14:56:01 -10.618117 0.0005 BFGS: 15 14:56:01 -10.618117 0.0000 BFGS: 16 14:56:01 -10.618117 0.0000 BFGS: 17 14:56:01 -10.618117 0.0000 BFGS: 18 14:56:01 -10.618117 0.0000 Minimization converged after 18 steps. Maximum force component: 1.1344379898230058e-31 eV/Angstrom Maximum stress component: 1.4041747287759659e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ge', 'Ge'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[2.7610963175440117, 8.770864483538765e-18, 1.4106031068342245e-35], [-1.3805481587720059, 2.391179553288779, 2.2722785235709346e-35], [1.7232457448172452e-35, -6.527425907103175e-34, 4.508996028362162]]) forces = [[-1.13443799e-31 3.92980847e-32 3.70517780e-32] [ 1.13443799e-31 -3.92980847e-32 -7.41035560e-32]] stress = [-1.62208000e-12 -1.62208000e-12 -1.40417473e-11 9.96711914e-45 3.55142095e-45 4.52101254e-28] energy per atom = -5.309058341595273 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0