element(s): ['Fe', 'Nb'] AFLOW prototype label: A3B_tI8_139_ad_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: ['3.7222', '2.3587932'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Fe', 'Fe', 'Nb'] representative atom coordinates = [[0. 0. 0. ] [0. 0.5 0.25] [0. 0. 0.5 ]] spacegroup = 139 cell = [[3.7222, 0, 0], [0, 3.7222, 0], [0, 0, 8.7799]] ========================================= Step Time Energy fmax BFGS: 0 16:25:05 -115.845074 19.000179 BFGS: 1 16:25:05 -117.675401 15.411268 BFGS: 2 16:25:06 -119.359822 12.378876 BFGS: 3 16:25:06 -120.572647 10.351651 BFGS: 4 16:25:06 -121.487923 8.927531 BFGS: 5 16:25:06 -122.241803 7.792701 BFGS: 6 16:25:07 -122.885418 6.837484 BFGS: 7 16:25:07 -123.445732 6.009775 BFGS: 8 16:25:07 -123.937635 5.211090 BFGS: 9 16:25:07 -124.363555 4.458072 BFGS: 10 16:25:07 -124.727514 3.735459 BFGS: 11 16:25:08 -125.029438 3.047072 BFGS: 12 16:25:08 -125.272040 2.377392 BFGS: 13 16:25:08 -125.454436 1.705333 BFGS: 14 16:25:08 -125.575070 1.033053 BFGS: 15 16:25:09 -125.631940 0.339767 BFGS: 16 16:25:09 -125.636145 0.109663 BFGS: 17 16:25:09 -125.636373 0.060549 BFGS: 18 16:25:09 -125.636438 0.011731 BFGS: 19 16:25:10 -125.636442 0.001173 BFGS: 20 16:25:10 -125.636442 0.000139 BFGS: 21 16:25:10 -125.636442 0.000008 BFGS: 22 16:25:10 -125.636442 0.000000 BFGS: 23 16:25:11 -125.636442 0.000000 Minimization converged after 23 steps. Maximum force component: 1.575340904639454e-30 eV/Angstrom Maximum stress component: 4.8173464028951195e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Fe', 'Fe', 'Fe', 'Fe', 'Fe', 'Fe', 'Nb', 'Nb'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [0.00000000e+00 5.00000000e-01 2.50000000e-01] [5.00000000e-01 3.10711759e-33 2.50000000e-01] [1.01639465e-33 5.00000000e-01 7.50000000e-01] [5.00000000e-01 0.00000000e+00 7.50000000e-01] [0.00000000e+00 3.10711759e-33 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00]] cellpar = Cell([[3.9670052004371565, 5.1567047053822655e-36, 2.8561460484749944e-32], [5.358264013922702e-36, 3.967005200437156, -5.323451732014655e-17], [1.4293072850406219e-32, -1.1197495728066548e-16, 7.987927373321143]]) forces = [[ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 4.88971143e-32 9.77942285e-32 -1.31233217e-48] [ 9.77942285e-32 -9.77942285e-32 1.57534090e-30] [ 9.77942285e-32 -9.77942285e-32 5.90752839e-31] [-3.52219358e-64 9.77942285e-32 -1.96917613e-31] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00]] stress = [-4.81734640e-11 -4.81734640e-11 2.91656622e-11 2.00902695e-26 -1.55590678e-33 -1.21153025e-48] energy per atom = -15.704555288633955 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0