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 13:58:11 -3.577996 28.689482 BFGS: 1 13:58:11 -6.724892 21.894725 BFGS: 2 13:58:11 -8.930506 20.541962 BFGS: 3 13:58:11 -10.074764 12.737576 BFGS: 4 13:58:11 -10.558270 3.273932 BFGS: 5 13:58:11 -10.594979 0.728146 BFGS: 6 13:58:11 -10.601246 0.594965 BFGS: 7 13:58:11 -10.615832 0.181287 BFGS: 8 13:58:11 -10.616062 0.163785 BFGS: 9 13:58:11 -10.616337 0.172484 BFGS: 10 13:58:11 -10.617126 0.155197 BFGS: 11 13:58:11 -10.617768 0.093033 BFGS: 12 13:58:11 -10.618070 0.043172 BFGS: 13 13:58:11 -10.618114 0.009547 BFGS: 14 13:58:11 -10.618117 0.000484 BFGS: 15 13:58:11 -10.618117 0.000038 BFGS: 16 13:58:11 -10.618117 0.000001 BFGS: 17 13:58:11 -10.618117 0.000000 BFGS: 18 13:58:11 -10.618117 0.000000 Minimization converged after 18 steps. Maximum force component: 3.119704472013268e-31 eV/Angstrom Maximum stress component: 1.4040115144576276e-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([[2.7610963175440126, -3.2543482548776364e-18, -1.0038703125404407e-35], [-1.3805481587720063, 2.39117955328878, -6.391968660287106e-36], [-6.650191613546018e-36, -6.888028598900087e-35, 4.508996028362165]]) forces = [[-3.11970447e-31 1.47367818e-31 4.30974979e-67] [ 1.53149129e-31 -1.86665902e-31 3.34002853e-67]] stress = [-1.62051029e-12 -1.62051029e-12 -1.40401151e-11 -3.81072109e-34 6.60036254e-34 -5.02885070e-28] energy per atom = -5.309058341595275 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0