element: Ni lattice type: diamond modelname: SNAP_ZuoChenLi_2019quadratic_Ni__MO_263593395744_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -1959.168261 Iterations: 28 Function evaluations: 56 {'lattice_constant': 2.9734974578022957, 'cohesive_energy': 244.89603256858976, 'element': 'Ni', 'species': 'Ni" "Ni" "Ni" "Ni" "Ni" "Ni" "Ni" "Ni', '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': 28, 'func_calls': 56, 'warnflag': 0, 'repeat': 0}