element:
N
lattice type:
diamond
modelname:
SW_BereSerra_2006_GaN__MO_861114678890_000

Detected that energy at a lattice constant of 2.5 Angstroms was equal to the isolated energy (i.e. no interactions). Shrinking box until energy becomes non-trivial...


Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms

Optimization terminated successfully.
         Current function value: -19.203669
         Iterations: 29
         Function evaluations: 59
{'lattice_constant': 3.4610603749752045, 'cohesive_energy': 2.400458655207511, 'element': 'N', 'species': 'N" "N" "N" "N" "N" "N" "N" "N', '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': 29, 'func_calls': 59, 'warnflag': 0, 'repeat': 0}