 Solution

ID: past-exam-of-the-chemistry-a-course-of-the-university-of-cambridge/2021/paper-1/a4/a/ii/solution

2 s : A_{1}, 2 p_{z} : A_{1}, (2 p_{x}, 2 p_{y}) : E .

The

s

orbital is invariant under every symmetry operation;

p_{z}

is also invariant because each operation preserves the

z

coordinate. The other two components mix as a two-dimensional irreducible representation.

 New to topics? Read the docs here!