Chemistry · Chemical Group Theory
The character table for the point group D3h is given below: D3hE2C3 (z)3C'2σh(xy)2S33σv A'1+1+1+1+1+1+1-x2 + y2, z2A'2+1+1-1+1+1-1R z-E'+2-10 +2-10(x, y)(x2 - y2, xy )A''1+1+1+1 -1-1-1--A''2 +1+1-1-1-1+1z-E''+2-10 -2+10(Rx, Ry)(xz, yz) In the electronic ground state, BF3 has D3h symmetry. Therefore,
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a fundamental transition to an A'1 state is IR active.
- 2a fundamental transition to the A'2 state is neither IR active nor Raman active.✓
- 3a fundamental transition to the A''2 state is Raman active.
- 4a fundamental transition to the E'' state is both IR active and Raman active.
Correct answer
a fundamental transition to the A'2 state is neither IR active nor Raman active.
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