Energy Levels of Neutral Copper ( Cu I )

Configuration    Term   J     Level(cm-1) Ref.


3d10(1S)4s       2S     1/2       0.000   SM90
 
3d94s2           2D     5/2   11202.565   SM90
3d94s2           2D     3/2   13245.423   SM90
 
3d10(1S)4p       2P°    1/2   30535.302   SM90
3d10(1S)4p       2P°    3/2   30783.686   SM90
 
3d9(2D)4s4p(3P°) 4P°    5/2   39018.652   SM90
3d9(2D)4s4p(3P°) 4P°    3/2   40113.99    SM90
3d9(2D)4s4p(3P°) 4P°    1/2   40943.73    SM90
 
3d9(2D)4s4p(3P°) 4F°    9/2   40909.138   SM90
3d9(2D)4s4p(3P°) 4F°    7/2   41153.433   SM90
3d9(2D)4s4p(3P°) 4F°    5/2   41562.895   SM90
3d9(2D)4s4p(3P°) 4F°    3/2   42302.47    SM90
 
3d10(1S)5s       2S     1/2   43137.209   SM90
 
3d9(2D)4s4p(3P°) 4D°    7/2   43513.95    SM90
3d9(2D)4s4p(3P°) 4D°    5/2   44406.268   SM90
3d9(2D)4s4p(3P°) 4D°    3/2   44544.153   SM90
3d9(2D)4s4p(3P°) 4D°    1/2   44915.61    SM90
 
3d9(2D)4s4p(3P°) 2P°    1/2   45821.00    SM90
3d9(2D)4s4p(3P°) 2P°    3/2   45879.311   SM90
 
3d9(2D)4s4p(3P°)        3/2   46172.842   SM90
 
3d10(1S)4d       2D     3/2   49935.200   SM90
3d10(1S)4d       2D     5/2   49942.057   SM90
 
3d9(2D)4s4p(1P°) 2F°    7/2   56029.95    SM90
3d9(2D)4s4p(1P°) 2F°    5/2   58119.28    SM90
 
Cu II (1S0)      Limit        62317.44    SM90