 Solution

ID: past-exam-of-the-chemistry-course-of-the-year-3-of-the-natural-sciences-course-of-the-university-of-cambridge/2022/paper-2b/section-b/35/c/i/solution

E_{J} = \frac{ℏ ^{2}}{2 I} J (J + 1), g_{J} = 2 J + 1.

The quantum degeneracy counts the values

M = - J, \dots, J

with the same energy. It excludes nuclear-spin multiplicity and any fine or hyperfine splitting absent from this model.

 New to topics? Read the docs here!