element(s): ['Ga', 'N'] AFLOW prototype label: AB_cF8_216_a_c Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.5262'] model name: SW_BereSerra_2006_GaN__MO_861114678890_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ga', 'N'] representative atom coordinates = [[0. 0. 0. ] [0.25 0.25 0.25]] spacegroup = 216 cell = [[4.5262, 0, 0], [0, 4.5262, 0], [0, 0, 4.5262]] ========================================= Step Time Energy fmax BFGS: 0 14:13:29 -34.722100 0.1370 BFGS: 1 14:13:29 -34.722873 0.1262 BFGS: 2 14:13:29 -34.727201 0.0008 BFGS: 3 14:13:29 -34.727201 0.0000 BFGS: 4 14:13:29 -34.727201 0.0000 Minimization converged after 4 steps. Maximum force component: 3.707798839560012e-31 eV/Angstrom Maximum stress component: 1.491685488447859e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga', 'Ga', 'Ga', 'N', 'N', 'N', 'N'] basis = [[0. 0. 0. ] [0. 0.5 0.5 ] [0.5 0. 0.5 ] [0.5 0.5 0. ] [0.25 0.25 0.25] [0.75 0.75 0.25] [0.75 0.25 0.75] [0.25 0.75 0.75]] cellpar = Cell([[4.51218568751403, 1.5223859995843558e-33, 1.7316864445289272e-34], [-2.2195778584421026e-33, 4.51218568751403, 2.849762812324336e-21], [-7.711069678140497e-35, 2.84976281232435e-21, 4.51218568751403]]) forces = [[ 1.82389396e-65 -3.70779884e-32 -2.34173591e-53] [-1.85389942e-32 -1.85389942e-32 -1.85389942e-32] [ 1.85557605e-65 -3.70779884e-32 -1.85389942e-32] [-3.70779884e-32 -2.34173591e-53 -3.70779884e-32] [ 2.96623907e-31 3.70779884e-31 2.22467930e-31] [ 1.15868714e-33 3.70779884e-31 -3.70779884e-31] [ 2.51435109e-31 3.33701896e-31 -5.56169826e-32] [ 1.85389942e-31 2.22467930e-31 1.29772959e-31]] stress = [ 1.49168549e-11 1.49168549e-11 1.49168549e-11 -4.20680218e-28 -8.07207650e-34 7.97140536e-51] energy per atom = -4.340900088834665 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0