lib/crystalcell/cell.rb in crystalcell-0.0.1 vs lib/crystalcell/cell.rb in crystalcell-0.0.2

@@ -572,9 +572,12 @@
     elem_list = Hash.new
     element_order.each do |elem|
       elem_list[ elem ] = @atoms.select{ |atom| atom.element == elem }
     end
 
+    ##element symbols
+    results << "  " + element_order.join("  ")
+
     ##numbers of element atoms
     tmp = ''
     element_order.each do |elem|
       tmp += "  #{elem_list[elem].size.to_s}"
     end