reset set keycolumns 5 set key below set mxtics 1 set xtics 1 set logscale y set xlabel 'bond order' set ylabel 'Maximum fragment energy [Ht]' set terminal eps color set output 'MaxEnergies-FragmentOrder.eps' plot [1:4] [1e-13:39.9767] \ 'MaxEnergies-FragmentOrder.dat' title '' using 1:(abs($4)) with linespoints