Enter a model name: hNN_WenTadmor_2019Grx_C__MO_421038499185_001 Enter the choice of structure: 1: graphene-like 2: 2H TMD structure 3: 1T TMD structure 1 Please enter an initial lattice constant (Angstroms): 2.5 Please enter species 1: C Please enter species 2: C Isolated atom energy: -1.29414384859023 eV Sum of isolated atom energies: -2.58829 eV Optimization complete lattice constant: 2.46744829302337 Angstroms cohesive energy: 6.7715766175986 eV/atom