element(s): ['N', 'Ti'] AFLOW prototype label: AB2_tI12_141_a_e Parameter names: ['a', 'c/a', 'z2'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.2124', '2.1346976', '0.64138343'] model name: MEAM_LAMMPS_KimLee_2008_TiN__MO_070542625990_002 ==== Building ASE atoms object with: ==== representative atom symbols = ['N', 'Ti'] representative atom coordinates = [[0. 0. 0. ] [0. 0. 0.76638343]] spacegroup = 141 cell = [[4.2124, 0, 0], [0, 4.2124, 0], [0, 0, 8.9922]] ========================================= Step Time Energy fmax BFGS: 0 13:44:03 -75.964148 1.7379 BFGS: 1 13:44:03 -76.108130 1.5752 BFGS: 2 13:44:03 -76.349049 1.2438 BFGS: 3 13:44:03 -76.528631 1.0900 BFGS: 4 13:44:03 -76.655502 0.9191 BFGS: 5 13:44:03 -76.739031 0.7427 BFGS: 6 13:44:03 -76.802231 0.5610 BFGS: 7 13:44:03 -76.858571 0.5383 BFGS: 8 13:44:03 -76.911372 0.4737 BFGS: 9 13:44:03 -76.956395 0.3011 BFGS: 10 13:44:03 -76.974549 0.1151 BFGS: 11 13:44:03 -76.978685 0.0849 BFGS: 12 13:44:03 -76.979599 0.1264 BFGS: 13 13:44:03 -76.980050 0.1370 BFGS: 14 13:44:03 -76.981613 0.1491 BFGS: 15 13:44:03 -76.983914 0.1362 BFGS: 16 13:44:03 -76.986594 0.0809 BFGS: 17 13:44:03 -76.987813 0.0276 BFGS: 18 13:44:03 -76.988036 0.0056 BFGS: 19 13:44:03 -76.988048 0.0005 BFGS: 20 13:44:03 -76.988049 0.0000 BFGS: 21 13:44:03 -76.988049 0.0000 BFGS: 22 13:44:03 -76.988049 0.0000 BFGS: 23 13:44:03 -76.988049 0.0000 Minimization converged after 23 steps. Maximum force component: 4.12470587907518e-09 eV/Angstrom Maximum stress component: 2.9947079437462455e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N', 'N', 'N', 'Ti', 'Ti', 'Ti', 'Ti', 'Ti', 'Ti', 'Ti', 'Ti'] basis = [[7.21807877e-33 3.86749396e-34 9.25280313e-33] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [0.00000000e+00 5.00000000e-01 2.50000000e-01] [5.00000000e-01 0.00000000e+00 7.50000000e-01] [0.00000000e+00 0.00000000e+00 7.66912168e-01] [5.00000000e-01 5.00000000e-01 2.66912168e-01] [2.06918089e-33 5.00000000e-01 1.69121678e-02] [5.00000000e-01 0.00000000e+00 5.16912168e-01] [5.00000000e-01 0.00000000e+00 9.83087832e-01] [2.82040358e-33 5.00000000e-01 4.83087832e-01] [5.00000000e-01 5.00000000e-01 7.33087832e-01] [0.00000000e+00 1.51081504e-33 2.33087832e-01]] cellpar = Cell([[4.079239132149773, -6.808415325204131e-38, 4.0890686236688205e-38], [-2.3542960295150275e-36, 4.079239132149773, 1.1888161544880418e-17], [6.988650579691445e-52, 2.5506817075519537e-17, 8.644262578439227]]) forces = [[ 1.36035968e-32 -3.53534796e-33 -1.03030948e-50] [ 1.72839233e-32 -1.25701261e-32 -2.13097525e-31] [ 3.14253152e-33 -6.28506304e-33 8.52390100e-31] [ 4.71379728e-33 -1.41413918e-32 2.76360853e-31] [-6.28506304e-33 1.21708641e-26 4.12470588e-09] [ 9.42759455e-33 1.21708586e-26 4.12470588e-09] [ 3.14253152e-33 1.21708555e-26 4.12470588e-09] [ 2.35689864e-33 1.21708477e-26 4.12470588e-09] [-4.71379728e-33 -1.21708571e-26 -4.12470588e-09] [ 3.14253152e-33 -1.21708610e-26 -4.12470588e-09] [-3.14253152e-33 -1.21708814e-26 -4.12470588e-09] [-3.14253152e-33 -1.21708422e-26 -4.12470588e-09]] stress = [-4.48470582e-11 -4.48470582e-11 2.99470794e-10 -8.83403545e-28 1.12347760e-61 1.97788617e-63] energy per atom = -6.415670716767507 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0