NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory Oxygen (O) 

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableOxygen Atomic DataOxygen Strong LinesOxygen Neutral Atom Persistent Lines Oxygen Neutral Atom Energy LevelsOxygen Singly Ionized Persistent LinesOxygen Singly Ionized Energy LevelsOxygen References
Switch to Formatted Version

Atomic Data for Oxygen (O)

Atomic Number = 8

Atomic Weight = 15.9994

Reference E95

Isotope   Mass       Abundance Spin Mag Moment
16O 15.994915 99.76% 0 17O 16.999311 0.048% 5/2 -1.89379 18O 17.999160 0.20% 0
O I  Ground State 1s22s22p4  3P2
     Ionization energy  109837.02 cm-1 (13.61805 eV)   Ref. MG93
O II Ground State 1s22s22p3  43/2
     Ionization energy  283270.9 cm-1 (35.1211 eV)   Ref. MKM93