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Question
What does the term "SPIN MULTIPLICITY" mean?
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Solution
The number of possible orientations, calculated as 
, of the spin angular momentum corresponding to a given total spin quantum number (
), for the same spatial electronic wavefunction. A state of singlet multiplicity has 
and 
. A doublet state has 
, 
, etc. Note that when 
(the total orbital angular momentum possible) there are only 
orientations of total angular momentum possible
, of the spin angular momentum corresponding to a given total spin quantum number (), for the same spatial electronic wavefunction. A state of singlet multiplicity has and . A doublet state has , , etc. Note that when (the total orbital angular momentum possible) there are only orientations of total angular momentum possibleSuggest Corrections
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