element(s): ['Fe', 'O'] AFLOW prototype label: AB_hR2_166_a_b 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: ['3.0610472', '2.4380211'] model name: Tersoff_LAMMPS_ByggmastarNagelAlbe_2019_FeO__MO_608695023236_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Fe', 'O'] representative atom coordinates = [[0. 0. 0. ] [0. 0. 0.5]] spacegroup = 166 cell = [[3.061, 0, 0], [-1.5305, 2.6509037609842, 0], [0, 0, 7.4629]] ========================================= Step Time Energy fmax BFGS: 0 16:06:47 -29.030396 0.0732 BFGS: 1 16:06:47 -29.030569 0.0678 BFGS: 2 16:06:47 -29.031539 0.0179 BFGS: 3 16:06:47 -29.031545 0.0176 BFGS: 4 16:06:47 -29.031714 0.0001 BFGS: 5 16:06:47 -29.031714 0.0000 BFGS: 6 16:06:47 -29.031714 0.0000 Minimization converged after 6 steps. Maximum force component: 1.4327568096370157e-31 eV/Angstrom Maximum stress component: 5.502914389210487e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Fe', 'Fe', 'Fe', 'O', 'O', 'O'] basis = [[2.22551905e-32 1.66057960e-32 0.00000000e+00] [6.66666667e-01 3.33333333e-01 3.33333333e-01] [3.33333333e-01 6.66666667e-01 6.66666667e-01] [1.00000000e+00 1.00000000e+00 5.00000000e-01] [6.66666667e-01 3.33333333e-01 8.33333333e-01] [3.33333333e-01 6.66666667e-01 1.66666667e-01]] cellpar = Cell([[3.050639366253632, -1.5179108890417991e-18, 3.327237128452292e-33], [-1.525319683126816, 2.6419311889605055, 8.698288985557428e-33], [8.154759931816702e-33, 1.7226267543383413e-30, 7.472509836551778]]) forces = [[-1.25340111e-32 2.17095441e-32 -5.88453690e-32] [ 6.26700555e-33 2.17095441e-32 -1.02339772e-32] [-8.35600740e-33 1.44730294e-32 -6.14038633e-32] [ 8.35600740e-33 -1.44730294e-32 1.43275681e-31] [-6.26700555e-33 -3.61825734e-33 4.09359088e-32] [ 8.35600740e-33 -1.44730294e-32 1.43275681e-31]] stress = [5.50291439e-12 5.50291439e-12 4.09380656e-12 1.10996667e-33 1.92251866e-33 1.12611781e-27] energy per atom = -4.838618950859657 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Prototype label changed during relaxation: test template prototype is AB_hR2_166_a_b, while relaxed is AB_cF8_225_a_b. Skipping parameter set 0. No parameter sets in this group successfully added a property instance. Skipping this group.