set xrange [1.3:1.6]
set yrange [-0.065:-0.01]
set key left 

set xlabel "Inter atomic distance  (a.u.) "
set ylabel "Energy (Hartree)"
set key font ",15"
set key spacing "1,8"

plot   'data_DFT_vdzE_relat' using 1:2 smooth cspline notitle lt 2 , "" using 1:2 w p lt 2 ps 1  title "FCI/vdz"
replot 'data_DFT_vdzE_relat' using 1:3 smooth cspline notitle lt 9 , "" using 1:3 w p lt 9 ps 1  title "FCI+PBE-UEG~{/Symbol z}{.8-}/vdz" 
replot 'data_DFT_vdzE_relat' using 1:4 smooth cspline notitle lt 4 , "" using 1:4 w p lt 4 ps 1  title "FCI+PBEot~{/Symbol z}{.8-}/vdz" 
replot 'data_DFT_vdzE_relat' using 1:5 smooth cspline notitle lt 8 , "" using 1:5 w p lt 8 ps 1  title "FCI+PBEot0{/Symbol z}/vdz" 
replot 'data_DFT_vdzE_relat' using 1:6 smooth cspline notitle lt 7 , "" using 1:6 w p lt 7 ps 1  title "Exact" 
set terminal eps enhanced linewidth 6
set output "DFT_vdzE_relat_zoom.eps"
replot