Using the character table and irreducible representation (symmetry labels) of the stretches provided, which of the stretches would you expect to observe using IR spectroscopy? F Se C2 Ozx Oyz 4 x Se- 4. 2 2 C2v E C2 Ozx Oyz h = 4 ci A1 1 1 1 1 2 A2 1 1 -1 -1 Rz B1 1 -1 1 -1 x, Ry 1 B2 1 -1 -1 1 . Rx 1 Irreducible representations for the 4 x Se-F stretches r= 2A1+B1+B2 O A1 O B1 O B2