Symmetry and Bonding Flashcards
1
Q
Where is the principle rotation axis?
A
Along the z axis
2
Q
How do you calculate the number of vibrational modes?
A
3N-6
3
Q
How do you find which irreducible representations are IR and Raman active?
A
IR active: same symmetry as x, y, z
Raman active: same symmetry as x^2, y^2, z^2, xy, xz, yz
4
Q
How do you find which irreducible representations are for translations and rotations?
A
Translations: same symmetry as x, y, z
Rotations: Rx, Ry, Rz
