NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Nitrogen (N)

Atomic Number = 7

Atomic Weight = 14.00674

Reference E95

Isotope   Mass       Abundance Spin Mag Moment
14N 14.003074 99.63% 1 +0.40376 15N 15.000108 0.37% 1/2 -0.28319
N I  Ground State 1s22s22p3  43/2
     Ionization energy  117225.7 cm-1 (14.5341 eV)   Ref. M75a
N II Ground State 1s22s22p2  3P0
     Ionization energy  238750.3 cm-1 (29.6013 eV)   Ref. E83