Control{
    condition = initial
    cpumax = 3 day
}
accuracy{
    cutoff_wf = 20.0 rydberg
    cutoff_cd = 80.0 rydberg
    paw = off
    num_bands = 8
    ksampling{
        mesh{
            nx = 2
            ny = 2
            nz = 2
        }
    }
    smearing{
        method = parabolic
        width = 0.02 eV
    }
    scf_convergence{
        delta_total_energy = 1.e-10 hartree
        succession = 3
    }
    force_convergence{
        max_force = 0.1e-3
    }
    initial_wavefunctions = atomic_orbitals
    initial_charge_density = atomic_charge_density
}
structure{
    unit_cell_type = bravais
    unit_cell{
        a = 10.17512
        b = 10.17512
        c = 10.17512
        alpha = 90.0
        beta = 90.0
        gamma = 90.0
    }
    symmetry{
       method = automatic
       tspace{
           lattice_system = facecentered
       }
    }
    atom_list{
        coordinate_system = internal
        atoms{
            #tag element rx ry rz
             Si 0.125 0.125 0.125
             Si 0.875 0.875 0.875
        }
    }
    element_list{
        #units atomic_mass
        #tag element atomicnumber mass
         Si 14 28.0855
    }
}
Phonon{
    sw_phonon = on
    sw_vibrational_modes = on
    sw_calc_force = on
    displacement = 0.1
    lattice{
        l1 = 2
        l2 = 2
        l3 = 2
    }
    dos{
        mesh{
            nx = 10
            ny = 10
            nz = 10
        }
    }
    method = band
}

