element(s): ['Sn'] AFLOW prototype label: A_tI2_139_a Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 2 Parameter values for parameter set 0: ['4.0868', '0.85281883'] Parameter values for parameter set 1: ['3.4699', '1.4037869'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Sn'] representative atom coordinates = [[0 0 0]] spacegroup = 139 cell = [[4.0868, 0, 0], [0, 4.0868, 0], [0, 0, 3.4853]] ========================================= Step Time Energy fmax BFGS: 0 16:21:22 -12.775569 11.638807 BFGS: 1 16:21:22 -14.500595 13.103545 BFGS: 2 16:21:22 -16.439259 14.589569 BFGS: 3 16:21:22 -18.594623 16.003860 BFGS: 4 16:21:22 -20.967243 17.191109 BFGS: 5 16:21:22 -23.491999 17.644281 BFGS: 6 16:21:22 -26.049874 16.733336 BFGS: 7 16:21:22 -28.277113 14.282017 BFGS: 8 16:21:22 -29.819128 8.872249 BFGS: 9 16:21:22 -30.343867 1.212717 BFGS: 10 16:21:22 -30.349274 0.220137 BFGS: 11 16:21:22 -30.350489 0.078557 BFGS: 12 16:21:22 -30.350630 0.006960 BFGS: 13 16:21:22 -30.350631 0.000471 BFGS: 14 16:21:22 -30.350631 0.000011 BFGS: 15 16:21:22 -30.350631 0.000000 BFGS: 16 16:21:22 -30.350631 0.000000 Minimization converged after 16 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 5.234135808659198e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Sn', 'Sn'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[3.1811974808418997, 6.4281731679251e-36, -1.741175438351272e-32], [-2.295308003366811e-35, 3.1811974808419, -6.528332799746235e-17], [-2.2626741141373754e-33, -5.167602658274951e-17, 2.829528470460423]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [-5.23413581e-10 -5.23413581e-10 -2.97396550e-10 -5.95200575e-27 -2.73870817e-33 -4.44691799e-49] energy per atom = -15.175315584543318 =============================================== ==== Building ASE atoms object with: ==== representative atom symbols = ['Sn'] representative atom coordinates = [[0 0 0]] spacegroup = 139 cell = [[3.4699, 0, 0], [0, 3.4699, 0], [0, 0, 4.871]] ========================================= Step Time Energy fmax BFGS: 0 16:21:23 -12.574005 11.172615 BFGS: 1 16:21:23 -14.362138 12.690407 BFGS: 2 16:21:23 -16.385467 14.361660 BFGS: 3 16:21:23 -18.657698 15.959968 BFGS: 4 16:21:23 -21.156415 17.410356 BFGS: 5 16:21:23 -23.832671 18.286043 BFGS: 6 16:21:23 -26.560566 18.097367 BFGS: 7 16:21:23 -29.094360 15.750784 BFGS: 8 16:21:23 -31.014581 9.653928 BFGS: 9 16:21:23 -31.611883 2.725132 BFGS: 10 16:21:23 -31.641172 0.796837 BFGS: 11 16:21:23 -31.644129 0.043928 BFGS: 12 16:21:23 -31.644138 0.000821 BFGS: 13 16:21:23 -31.644138 0.000014 BFGS: 14 16:21:23 -31.644138 0.000001 BFGS: 15 16:21:23 -31.644138 0.000000 Minimization converged after 15 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.3225868230745426e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Sn', 'Sn'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[2.703431956027235, -2.2237688367612437e-34, -9.327226750432503e-34], [6.36372352384073e-35, 2.703431956027234, 1.222317524989251e-16], [-4.2341320821563885e-33, 5.173122519790895e-16, 3.823230137159294]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 1.32258682e-10 1.32258682e-10 1.21731998e-10 -6.62242071e-26 9.54035560e-33 -4.23676898e-48] energy per atom = -15.82206887606445 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0 Parameter sets [1] relaxed to duplicate structures, attempting to write only one of them. Prototype label changed during relaxation: test template prototype is A_tI2_139_a, while relaxed is A_cF4_225_a. Skipping parameter set 1. No parameter sets in this group successfully added a property instance. Skipping this group.