NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Carbon (C)

Atomic Number = 6

Atomic Weight = 12.011

Reference E95


Isotope   Mass       Abundance Spin Mag Moment

12C       12.000000  98.90%    0    
13C       13.003355  1.10%     1/2  +0.70241

 
C I  Ground State 1s22s22p2  3P0
     Ionization energy  90820.45 cm-1 (11.26030 eV)   Ref. J66
 
C II Ground State 1s22s22p  2P°1/2
     Ionization energy  196664.7 cm-1 (24.3833 eV)   Ref. MG93