NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableSilicon Atomic DataSilicon Strong LinesSilicon Neutral Atom Persistent LinesSilicon Neutral Atom Energy LevelsSilicon Singly Ionized Persistent LinesSilicon Singly Ionized Energy LevelsSilicon References
Switch to ASCII Version

Atomic Data for Silicon (Si)

Atomic Number = 14

Atomic Weight = 28.0855

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
28Si27.97692792.23%0 
29Si28.9764954.67%1/2-0.5553
30Si29.9737703.10%0 

Si I  Ground State 1s22s22p63s23p2 3P0
       Ionization energy  65747.76 cm-1 (8.15168 eV)   Ref. MKMD94

Si II Ground State 1s22s22p63s23p 21/2
       Ionization energy  131838.14 cm-1 (16.34584 eV)   Ref. MZ83