Linearly polarized light can be assigned a specific irreducible representation of a symmetry point group. If the electronic ground state of benzene has
Interpretation:
The symmetry label(s) of allowed excited electronic states for the electronic ground state of benzene as
Concept introduction:
The electronic transitions should have a nonzero transition moment, given by the expression shown below.
Answer to Problem 15.1E
The symmetry label of allowed excited state for the
Explanation of Solution
The electronic ground state of benzene has
The character table for point group
The representations of
The representations of
The symmetry label of allowed excited state for the
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Chapter 15 Solutions
Physical Chemistry
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- List the symmetry elements of the following molecules and name the point groups to which they belong: (a) staggered CH3CH3, (b) chair and boat cyclohexane, (c) B2H6, (d) [Co(en)3]3+, where en is 1,2-diaminoethane (ignore its detailed structure), (e) crown-shaped S8. Which of these molecules can be (i) polar, (ii) chiral?arrow_forwardWhat are the symmetry elements of 2-butene assuming CH3 is spherical?arrow_forwardConsider the molecule CH3Cl. (a) To what point group does the molecule belong? (b) How many normal modes of vibration does the molecule have? (c) What are the symmetry species of the normal modes of vibration of this molecule? (d) Which of the vibrational modes of this molecule are infrared active? (e) Which of the vibrational modes of this molecule are Raman active?arrow_forward
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