element(s): ['O', 'Ti'] AFLOW prototype label: A2B_cF12_225_c_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.8858'] model name: Sim_LAMMPS_Buckingham_MatsuiAkaogi_1991_TiO__SM_690504433912_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['O', 'Ti'] representative atom coordinates = [[0.25 0.25 0.25] [0. 0. 0. ]] spacegroup = 225 cell = [[4.8858, 0, 0], [0, 4.8858, 0], [0, 0, 4.8858]] ========================================= Step Time Energy fmax BFGS: 0 16:31:53 -156.635377 0.701910 BFGS: 1 16:31:54 -156.655946 0.669275 BFGS: 2 16:31:54 -156.743828 0.500974 BFGS: 3 16:31:55 -156.811541 0.323853 BFGS: 4 16:31:55 -156.845913 0.135841 BFGS: 5 16:31:56 -156.853084 0.006539 BFGS: 6 16:31:56 -156.853031 0.000117 BFGS: 7 16:31:57 -156.853029 0.000000 BFGS: 8 16:31:57 -156.853029 0.000000 BFGS: 9 16:31:58 -156.853030 0.000000 Minimization converged after 9 steps. Maximum force component: 2.636443384973089e-30 eV/Angstrom Maximum stress component: 5.850016130498086e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'Ti', 'Ti', 'Ti', 'Ti'] basis = [[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] [2.50000000e-01 2.50000000e-01 7.50000000e-01] [7.50000000e-01 7.50000000e-01 7.50000000e-01] [2.50000000e-01 7.50000000e-01 2.50000000e-01] [7.50000000e-01 2.50000000e-01 2.50000000e-01] [0.00000000e+00 0.00000000e+00 0.00000000e+00] [5.69406874e-49 5.00000000e-01 5.00000000e-01] [5.00000000e-01 8.01368933e-35 5.00000000e-01] [5.00000000e-01 5.00000000e-01 4.00684467e-35]] cellpar = Cell([[4.806599966819065, -9.147624158528834e-33, -1.9166270643137025e-33], [-1.6645428188133419e-32, 4.806599966819065, 1.791786137375442e-18], [2.059988605626028e-33, 1.7917861373754357e-18, 4.806599966819065]]) forces = [[ 1.08617518e-31 -1.34784465e-30 3.55475513e-31] [-2.76480954e-31 2.46857995e-31 2.63150623e-30] [-1.77737756e-31 -1.37253045e-30 -2.19209899e-30] [-3.65349832e-31 4.59155870e-31 -5.52961908e-31] [ 1.57989117e-31 -2.32046515e-31 -2.63644338e-30] [ 2.02423556e-31 1.49102229e-30 -3.15978233e-31] [ 1.57989117e-31 1.07136370e-30 2.19209899e-30] [ 4.39407231e-31 -2.32046515e-31 -8.88688781e-32] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00] [ 0.00000000e+00 0.00000000e+00 0.00000000e+00]] stress = [ 5.85001613e-10 5.85001613e-10 5.85001613e-10 7.47782182e-29 -9.49207442e-33 -7.53287657e-51] energy per atom = -13.071085804057558 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Skipping parameter set 0 because of error while adding or validating property: [Errno 12] Cannot allocate memory No parameter sets in this group successfully added a property instance. Skipping this group.