element: C lattice type: bcc modelname: DUNN_WenTadmor_2019v1_C__MO_584345505904_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.075023 Iterations: 27 Function evaluations: 56 {'lattice_constant': 2.1288228034973145, 'cohesive_energy': 0.0375114954245257, 'element': 'C', 'species': 'C" "C', 'crystal_structure': 'bcc', 'space_group': 'Im-3m', 'wyckoff_code': '2a', 'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.5]]', 'iterations': 27, 'func_calls': 56, 'warnflag': 0, 'repeat': 0}