element: N lattice type: diamond modelname: Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_004 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: -16.186800 Iterations: 30 Function evaluations: 60 {'lattice_constant': 4.0446677431464195, 'cohesive_energy': 2.0233499630451406, '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': 30, 'func_calls': 60, 'warnflag': 0, 'repeat': 0}