Enter an atomic species:
Cu
Enter a cubic lattice type:
fcc
Enter a model name:
MEAM_LAMMPS_EtesamiAsadi_2018_Cu__MO_227887284491_002
Enter a lattice constant (m):
3.619999974966049e-10

WARNING, 3 imaginary frequencies at q = ( 0.00,  0.00,  0.00) ; (omega_q = 7.321e-09*i)
WARNING, 3 imaginary frequencies at q = ( 0.00,  0.00,  0.00) ; (omega_q = 7.321e-09*i)