Data file for G4NuclideTable.
Properties of each state are introduced from Evaluated Nuclear Structure Data File (ENSDF) 

An example of state
6   14          6728.2      0.09521787    6          4.1208e-27
and format of each enetry is 
1:Z
2:A
3:Excitation energy [keV]
4:Mean life time [ns]
5:Spin [h_bar/2]
6:Dipole magnetic moment [joule/tesla]
 
