Enter a species (e.g. Al, Fe): O Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Sim_LAMMPS_ReaxFF_ManzanoMoeiniMarinelli_2012_CaSiOH__SM_714124634215_000 Enter hexagonal lattice constants 'a' and 'c' (m): 4.583343647047888e-10, 7.484568834062829e-10