Level energy(keV)   Spin & Parity       
       ground state(+X)                        
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer Chinese Physics C36 p. 1603-2014, December 2012)
     283.176571 ± 0.000519 (amu)  [mass excess = 164475 ± 484 (keV) ]
 	[These values were derived from systematical trend]
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0