element(s): ['C', 'Nb'] AFLOW prototype label: A3B4_cP7_221_d_ac Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.4694'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['C', 'Nb', 'Nb'] representative atom coordinates = [[0.5 0. 0. ] [0. 0. 0. ] [0. 0.5 0.5]] spacegroup = 221 cell = [[4.4694, 0, 0], [0, 4.4694, 0], [0, 0, 4.4694]] ========================================= Step Time Energy fmax BFGS: 0 01:31:41 -278.987834 46.2647 BFGS: 1 01:31:41 -284.977260 33.8723 BFGS: 2 01:31:41 -289.228038 23.0509 BFGS: 3 01:31:41 -291.962033 13.6204 BFGS: 4 01:31:41 -293.387681 5.6243 BFGS: 5 01:31:41 -293.706835 0.5116 BFGS: 6 01:31:41 -293.709678 0.0279 BFGS: 7 01:31:41 -293.709687 0.0002 BFGS: 8 01:31:41 -293.709687 0.0000 BFGS: 9 01:31:41 -293.709687 0.0000 Minimization converged after 9 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 2.821320468511324e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['C', 'C', 'C', 'Nb', 'Nb', 'Nb', 'Nb'] basis = [[5.00000000e-01 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [0.00000000e+00 0.00000000e+00 5.00000000e-01] [0.00000000e+00 0.00000000e+00 0.00000000e+00] [8.14216776e-49 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 1.30216845e-36]] cellpar = Cell([[4.62192971547774, 1.1499443702190094e-32, 8.582799952840409e-33], [-4.753853375425962e-33, 4.62192971547774, -9.705297311028425e-20], [-1.1890308068990739e-32, -9.705297311029e-20, 4.62192971547774]]) forces = [[0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.]] stress = [-2.82132047e-14 -2.82132047e-14 -2.82132047e-14 -5.98023686e-30 1.53865948e-33 2.62457089e-49] energy per atom = -41.95852664616218 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0