111-Roentgenium

 Nuclide      weight or level energy         spin & parity  abundance  half-life      sig(J32) sig(J33) sig(J40) 
-----------------------------------------------------------------------------------------------------------------
 Rg-272    272.153284      +- 0.000271                                 3.8MS +14 -8                              
 Rg-274    274.155384      +- 0.000226                                 6MS +31 -3                                
 Rg-278    278.161441      +- 0.000452                                 4.2MS +76 -17                             
 Rg-279    279.162443      +- 0.000637                                 0.17S +81 -8                              
 Rg-280    280.164656      +- 0.000586                                 3.6S +43 -13                              
-----------------------------------------------------------------------------------------------------------------