element: Ga lattice type: diamond modelname: SW_BereSerra_2006_GaN__MO_861114678890_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -10.482001 Iterations: 33 Function evaluations: 67 {'lattice_constant': 5.2837414890527725, 'cohesive_energy': 1.3102501095234276, 'element': 'Ga', 'species': 'Ga" "Ga" "Ga" "Ga" "Ga" "Ga" "Ga" "Ga', 'crystal_structure': 'diamond', 'space_group': 'Fd-3m', 'wyckoff_code': '8a', 'basis_atoms': '[[0.0 0.0 0.0] [0.25 0.25 0.25] [0.5 0.5 0.0] [0.75 0.75 0.25] [0.5 0.0 0.5] [0.75 0.25 0.75] [0.0 0.5 0.5] [0.25 0.75 0.75]]', 'iterations': 33, 'func_calls': 67, 'warnflag': 0, 'repeat': 0}