element(s): ['N'] AFLOW prototype label: A_oP2_51_e Parameter names: ['a', 'b/a', 'c/a', 'z1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['7.3041', '0.4598787', '0.18035076', '0.73032605'] model name: SW_BereSerra_2006_GaN__MO_861114678890_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['N'] representative atom coordinates = [[0.25 0. 0.73032605]] spacegroup = 51 cell = [[7.3041, 0, 0], [0, 3.359, 0], [0, 0, 1.3173]] ========================================= Step Time Energy fmax BFGS: 0 14:57:24 -0.049485 9.119524 BFGS: 1 14:57:24 -0.466003 7.574188 BFGS: 2 14:57:24 -0.809914 6.209701 BFGS: 3 14:57:24 -1.089483 4.996024 BFGS: 4 14:57:24 -1.311623 3.908921 BFGS: 5 14:57:24 -1.482159 2.928963 BFGS: 6 14:57:24 -1.606047 2.040779 BFGS: 7 14:57:24 -1.687567 1.232488 BFGS: 8 14:57:24 -1.730479 0.495278 BFGS: 9 14:57:24 -1.739336 0.036788 BFGS: 10 14:57:24 -1.739387 0.001231 BFGS: 11 14:57:24 -1.739387 0.000003 BFGS: 12 14:57:24 -1.739387 0.000000 Minimization converged after 12 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.7645663184642716e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N'] basis = [[0.25 0. 0.73032605] [0.75 0. 0.26967395]] cellpar = Cell([[7.3041, -1.4334101997523343e-35, 0.0], [-2.662466661373084e-63, 3.359, 0.0], [0.0, 0.0, 1.6047218444057694]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [-2.00365966e-032 -1.08866993e-102 -1.76456632e-011 0.00000000e+000 0.00000000e+000 -5.37111517e-084] energy per atom = -0.8696933846840033 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0