-plot \"energy\" using 1:2 title 'Kinetic energy' with lines , \"energy\" using 1:3 title 'Potential energy' with lines , \"energy\" using 1:4 title 'Total energy' with lines \n\
-#set size 1.0, 0.6 \n\
+set ylabel 'Energy per atom [eV]' \n\
set terminal postscript eps enhanced color dashed lw 1 'Helvetica' 14 \n\
set output 'energy.eps' \n\
set terminal postscript eps enhanced color dashed lw 1 'Helvetica' 14 \n\
set output 'energy.eps' \n\
-replot\
+plot \"energy\" using 1:2 title 'Kinetic energy' with lines , \"energy\" using 1:3 title 'Potential energy' with lines , \"energy\" using 1:4 title 'Total energy' with lines\