element(s): ['N'] AFLOW prototype label: A_tP4_136_f Parameter names: ['a', 'c/a', 'x1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.2482', '1.3389436', '0.092623864'] model name: SW_BereSerra_2006_GaN__MO_861114678890_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['N'] representative atom coordinates = [[0.09262386 0.09262386 0. ]] spacegroup = 136 cell = [[4.2482, 0, 0], [0, 4.2482, 0], [0, 0, 5.6881]] ========================================= Step Time Energy fmax BFGS: 0 18:00:24 2.241671 16.832450 BFGS: 1 18:00:24 -0.376431 9.027939 BFGS: 2 18:00:24 -1.748319 4.278075 BFGS: 3 18:00:24 -2.291866 1.513330 BFGS: 4 18:00:24 -2.392002 0.392847 BFGS: 5 18:00:24 -2.400310 0.050822 BFGS: 6 18:00:24 -2.400458 0.002034 BFGS: 7 18:00:24 -2.400459 0.000011 BFGS: 8 18:00:24 -2.400459 0.000000 Minimization converged after 8 steps. Maximum force component: 1.7019490228137054e-09 eV/Angstrom Maximum stress component: 3.392292400456203e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N', 'N', 'N'] basis = [[1.22548893e-01 1.22548893e-01 0.00000000e+00] [8.77451107e-01 8.77451107e-01 7.12879766e-34] [3.77451107e-01 6.22548893e-01 5.00000000e-01] [6.22548893e-01 3.77451107e-01 5.00000000e-01]] cellpar = Cell([[4.323698755819072, 9.080054733857125e-35, 3.445226785625486e-46], [5.678976741302507e-35, 4.323698755819072, 7.358731975495727e-27], [-1.2558824647871467e-38, 9.680879086247786e-27, 5.688099999999994]]) forces = [[ 1.70194902e-09 1.70194902e-09 2.89663721e-36] [-1.70194902e-09 -1.70194902e-09 -2.89663721e-36] [-1.70194902e-09 1.70194902e-09 2.89663721e-36] [ 1.70194902e-09 -1.70194902e-09 -2.89663721e-36]] stress = [-3.39229240e-11 -3.39229240e-11 -1.20196322e-51 2.01925994e-31 -7.48984089e-50 -1.50627240e-63] energy per atom = -0.6001146638018777 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0