element(s): ['Fe'] 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: ['2.4403', '1.5759538'] model name: Tersoff_LAMMPS_MuellerErhartAlbe_2007_Fe__MO_137964310702_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Fe'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[2.4403, 0, 0], [-1.22015, 2.1133617928552, 0], [0, 0, 3.8458]] ========================================= Step Time Energy fmax BFGS: 0 13:58:11 -8.082257 3.004134 BFGS: 1 13:58:11 -8.315568 1.933637 BFGS: 2 13:58:11 -8.461481 0.923040 BFGS: 3 13:58:11 -8.502656 0.255221 BFGS: 4 13:58:11 -8.504452 0.119452 BFGS: 5 13:58:11 -8.504874 0.081095 BFGS: 6 13:58:11 -8.505701 0.078345 BFGS: 7 13:58:11 -8.506162 0.042037 BFGS: 8 13:58:11 -8.506287 0.013229 BFGS: 9 13:58:11 -8.506297 0.002241 BFGS: 10 13:58:11 -8.506298 0.000079 BFGS: 11 13:58:11 -8.506298 0.000005 BFGS: 12 13:58:11 -8.506298 0.000000 BFGS: 13 13:58:11 -8.506298 0.000000 Minimization converged after 13 steps. Maximum force component: 1.7099618446292435e-32 eV/Angstrom Maximum stress component: 6.863458386215526e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Fe', 'Fe'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[2.5554741087482125, -1.4475548772500298e-17, -9.120763729878571e-37], [-1.2777370543741062, 2.21310549688935, -1.512440155546736e-36], [4.744459346569239e-37, -3.5513369564784584e-35, 4.161857584726332]]) forces = [[-1.04995501e-32 5.94749714e-50 1.70996184e-32] [ 1.04995501e-32 -5.94749714e-50 -1.70996184e-32]] stress = [-1.07933085e-11 -1.07933085e-11 -6.86345839e-11 -1.78430817e-33 9.35884109e-46 2.23254685e-27] energy per atom = -4.253148851982758 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0