awk code

     awk '
    BEGIN  { min=1000 ; jump_energy="INIT" }
    function abs(v) {return v < 0 ? -v : v}
    NR==6 {fermi_energy=$4}
    NR>6
    {
      jump_energy != 0 {
        this_diff=abs(fermi_energy-$1)
        this_diff < min {
          min=this_diff
          energy_level=0
          jump_energy=0
          getline
        }
      }
      jump_energy == 0  && $2 != "0.0000E+00" {
        energy_level=$1
        jump_energy=$2
      }
    END {
      printf "  Fermi Energy: %s\n  Energy Level: %s\n  Jump Energy: %s" fermi_energy energy_level jump_energy
        }
      }
    }'