6-Carbon

 Nuclide      weight or level energy         spin & parity  abundance  half-life      sig(J32) sig(J33) sig(J40) 
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 C-nat      12.0107        +- 0.0008                                                             XXX      XXX    
 C-  9       9.031035568   +- 0.000002293    (3/2-)                    126.5MS 9                                 
 C- 10      10.016853230   +- 0.000000432    0+                        19.310S 4                                 
 C- 11      11.011433611   +- 0.000001020    3/2-                      1223.1S 12                                
 C- 12      12.0000000     +- 0.0000000      0+              98.93     stable           XXX                      
 C- 13      13.00335483507 +- 0.00000000023  1/2-             1.07     stable                                    
 C- 14      14.00324198842 +- 0.00000000403  0+                        5700Y 30                                  
 C- 15      15.010599256   +- 0.000000858    1/2+                      2.449S 5                                  
 C- 16      16.014701252   +- 0.000003840    0+                        0.747S 8                                  
 C- 17      17.022579037   +- 0.000018641                              193MS 13                                  
 C- 18      18.026752275   +- 0.000032206    (0+)                      92MS 2                                    
 C- 19      19.034797939   +- 0.000105625                              49MS 4                                    
 C- 20      20.040319754   +- 0.000256749    0+                        14MS +6 -5                                
 C- 22      22.055970      +- 0.000540       0+                        6.1MS +14 -12                             
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