University of Exeter

Tetragonal: C4 (4) - Products

Exeter Symmetry Pages

Irreducible Representation Products:

product A B E
A A B E
B B A E
E E E 2A+2B


Dipole Transition Products:

For the C4 point group, the irreducible representation of the dipole operator is A+E. Transitions that are dipole forbidden are indicated by parentheses.

product(A+E)product A B E
A A+E (B+E) 2A+2B+E
B (B+E) A+E 2A+2B+E
E 2A+2B+E 2A+2B+E 2A+2B+4E