X-ray notation

X-ray notation is a method of labeling atomic orbitals that grew out of X-ray science. It is still traditionally used with most X-ray spectroscopy techniques including AES and XPS. In X-ray notation, every principal quantum number is given a letter associated with it.

Conversion

Conversion[1][2]
Quantum Numbers Atomic Notation X-ray Notation
n l s j
1 0 ±1/2 1/2 1s(1/2) K1
2 0 ±1/2 1/2 2s(1/2) L1
2 1 -1/2 1/2 2p1/2 L2
2 1 +1/2 3/2 2p3/2 L3
3 0 ±1/2 1/2 3s M1
3 1 -1/2 1/2 3p1/2 M2
3 1 +1/2 3/2 3p3/2 M3
3 2 -1/2 3/2 3d3/2 M4
3 2 +1/2 5/2 3d5/2 M5

Use

See also

References

  1. Dr. Garrett's Class Notes page 12 http://www.cem.msu.edu/~cem924sg/Topic09.pdf Retrieved 10-07-08
  2. IUPAC Table VIII.1 page 5 http://old.iupac.org/reports/V/spectro/partVIII.pdf Retrieved 30-05-09
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