Chemistry · Group Theory & Molecular Symmetry
A non-linear polyatomic molecule belongs to the D2d point group. The symmetry of one of its normal modes is E. The symmetry of the second excited state of this mode, expressed in terms of the irreducible representations of the D2d point group, is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12A1 + 2B2✓
- 22A1 + B1 + B2
- 3A2 + 2B1 + B2
- 4A1 + A2 + B1 + B2
Correct answer
2A1 + 2B2
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