Information on mass chains and nuclides

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This nucleus has not been observed. Its atomic mass excess is calculated to be 59.22 MeV. It is then unstable with respect to breakup into ¹⁴Be + 2n by 2.98 MeV: see (1974TH01, 1986AJ01). The first three excited states with J^π = 2⁺, 4⁺, 4⁺ are calculated to be at 1.90, 5.08 and 6.51 MeV in a (0 + 1)ℏω space shell model calculation (1985PO10). See also (1983ANZQ; theor.).