element(s): ['C', 'Nb'] AFLOW prototype label: AB_cF8_216_a_c Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.8303'] model name: MEAM_LAMMPS_KimJungLee_2010_FeNbC__MO_072689718616_002 ==== Building ASE atoms object with: ==== representative atom symbols = ['C', 'Nb'] representative atom coordinates = [[0. 0. 0. ] [0.25 0.25 0.25]] spacegroup = 216 cell = [[4.8303, 0, 0], [0, 4.8303, 0], [0, 0, 4.8303]] ========================================= Step Time Energy fmax BFGS: 0 19:06:15 -45.009029 4.628250 BFGS: 1 19:06:15 -45.693348 4.493481 BFGS: 2 19:06:15 -46.356289 4.343015 BFGS: 3 19:06:15 -46.995410 4.175693 BFGS: 4 19:06:15 -47.608093 3.990289 BFGS: 5 19:06:15 -48.191528 3.785511 BFGS: 6 19:06:15 -48.742709 3.559992 BFGS: 7 19:06:15 -49.258416 3.312286 BFGS: 8 19:06:15 -49.735217 3.041089 BFGS: 9 19:06:15 -50.169453 2.744296 BFGS: 10 19:06:15 -50.557154 2.420427 BFGS: 11 19:06:15 -50.894146 2.067857 BFGS: 12 19:06:16 -51.175977 1.684609 BFGS: 13 19:06:16 -51.397894 1.268669 BFGS: 14 19:06:16 -51.554838 0.817929 BFGS: 15 19:06:16 -51.641423 0.330173 BFGS: 16 19:06:16 -51.657214 0.022192 BFGS: 17 19:06:16 -51.657284 0.000546 BFGS: 18 19:06:16 -51.657284 0.000001 BFGS: 19 19:06:16 -51.657284 0.000000 Minimization converged after 19 steps. Maximum force component: 3.670862802424409e-31 eV/Angstrom Maximum stress component: 3.0313390330068488e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['C', 'C', 'C', 'C', 'Nb', 'Nb', 'Nb', 'Nb'] basis = [[1.27385016e-34 1.15555797e-33 1.27500447e-34] [1.15693956e-33 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 1.41408455e-33] [2.50000000e-01 2.50000000e-01 2.50000000e-01] [7.50000000e-01 7.50000000e-01 2.50000000e-01] [7.50000000e-01 2.50000000e-01 7.50000000e-01] [2.50000000e-01 7.50000000e-01 7.50000000e-01]] cellpar = Cell([[4.358279587760811, 3.8368530666693944e-33, -1.0193984291235301e-32], [1.1676963325595472e-32, 4.358279587760811, 2.970912707972302e-17], [-9.656795870433745e-33, 2.9709127079723016e-17, 4.358279587760811]]) forces = [[-1.79066478e-32 8.95332391e-33 -5.37199435e-32] [ 2.68599717e-32 2.68599717e-32 8.95332391e-33] [ 1.79066478e-32 1.79066478e-32 2.68599717e-32] [ 1.79066478e-32 8.95332391e-33 8.95332391e-33] [ 8.95332391e-33 -2.59646393e-31 2.14879774e-31] [ 2.79791372e-32 2.77553041e-31 1.41014852e-31] [-3.65798705e-64 -2.32786422e-31 -1.16393211e-31] [ 4.47666195e-32 3.67086280e-31 -1.25346535e-31]] stress = [-3.03133903e-12 -3.03133903e-12 -3.03133903e-12 -5.22530277e-28 -2.16306231e-34 -5.26012223e-50] energy per atom = -6.457160452105852 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0