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 14:56:01 -8.082257 3.0041 BFGS: 1 14:56:01 -8.315568 1.9336 BFGS: 2 14:56:01 -8.461481 0.9230 BFGS: 3 14:56:01 -8.502656 0.2552 BFGS: 4 14:56:01 -8.504452 0.1195 BFGS: 5 14:56:01 -8.504874 0.0811 BFGS: 6 14:56:01 -8.505701 0.0783 BFGS: 7 14:56:01 -8.506162 0.0420 BFGS: 8 14:56:01 -8.506287 0.0132 BFGS: 9 14:56:01 -8.506297 0.0022 BFGS: 10 14:56:01 -8.506298 0.0001 BFGS: 11 14:56:01 -8.506298 0.0000 BFGS: 12 14:56:01 -8.506298 0.0000 BFGS: 13 14:56:01 -8.506298 0.0000 Minimization converged after 13 steps. Maximum force component: 3.21548721732105e-32 eV/Angstrom Maximum stress component: 6.863467283562813e-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([[2.5554741087482116, -3.6301711478775005e-17, -1.8604977572813926e-36], [-1.2777370543741058, 2.2131054968893498, 1.4735183401985877e-36], [4.294780571874565e-36, -2.970494695417368e-35, 4.161857584726332]]) forces = [[ 3.21548722e-32 -1.93223639e-32 -2.81533856e-68] [-1.57493251e-32 9.09287711e-33 1.36983071e-68]] stress = [-1.07939651e-11 -1.07939651e-11 -6.86346728e-11 -1.56126965e-33 -3.86314051e-34 2.47275132e-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