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_ByggmastarNagelAlbe_2019_FeO__MO_608695023236_000 ==== 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 14:59:49 -7.694952 3.737459 BFGS: 1 14:59:49 -8.038140 2.342458 BFGS: 2 14:59:49 -8.228542 1.233374 BFGS: 3 14:59:49 -8.302529 0.361009 BFGS: 4 14:59:49 -8.307171 0.138555 BFGS: 5 14:59:49 -8.307618 0.087247 BFGS: 6 14:59:49 -8.308209 0.081192 BFGS: 7 14:59:49 -8.308771 0.055752 BFGS: 8 14:59:49 -8.308983 0.019065 BFGS: 9 14:59:49 -8.309013 0.005160 BFGS: 10 14:59:49 -8.309014 0.000345 BFGS: 11 14:59:49 -8.309014 0.000018 BFGS: 12 14:59:49 -8.309014 0.000000 BFGS: 13 14:59:49 -8.309014 0.000000 Minimization converged after 13 steps. Maximum force component: 6.627497757514889e-34 eV/Angstrom Maximum stress component: 5.513119826935193e-10 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([[2.580895183971838, -2.6963199388934573e-17, 6.749717111028625e-37], [-1.290447591985919, 2.235120793824524, 1.8885363204992046e-35], [4.1464422494567085e-36, 1.2819330533600778e-35, 4.204164280940356]]) forces = [[-3.31374888e-34 5.73958142e-34 4.84958487e-69] [ 6.62749776e-34 -6.92389775e-51 1.73326431e-70]] stress = [-2.04281568e-10 -2.04281568e-10 -5.51311983e-10 3.27928975e-34 5.67989646e-34 5.81451621e-26] energy per atom = -4.15450699642041 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0