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 10:33:54 -278.987834 46.264660 BFGS: 1 10:33:54 -284.977260 33.872336 BFGS: 2 10:33:54 -289.228038 23.050852 BFGS: 3 10:33:54 -291.962033 13.620381 BFGS: 4 10:33:55 -293.387681 5.624346 BFGS: 5 10:33:55 -293.706835 0.511557 BFGS: 6 10:33:55 -293.709678 0.027947 BFGS: 7 10:33:55 -293.709687 0.000151 BFGS: 8 10:33:55 -293.709687 0.000000 BFGS: 9 10:33:55 -293.709687 0.000000 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 2.31311584e-51] [0.00000000e+00 5.00000000e-01 0.00000000e+00] [1.38786950e-50 6.25040858e-35 5.00000000e-01] [0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 2.08346953e-35 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00]] cellpar = Cell([[4.62192971547774, -3.747430577857138e-33, -1.3528651282920395e-34], [-1.4663042400143354e-32, 4.62192971547774, 1.3848197989889666e-18], [2.4759356408951593e-34, 1.3848197989889659e-18, 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 6.69514038e-32 1.53865948e-33 -3.16710777e-51] 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