(a) Identify the principal (z) rotational axis for all molecules provided below. (b) Provide a complete list of symmetry operations for each of the following molecules. (c) Which molecules posses identical sets of symmetry operations? C Me Ме Me Me Me INH3 H3N NH3 NO OC ON- CO CO

(a) Identify the principal (z) rotational axis for all molecules provided below. (b) Provide a complete list of symmetry operations for each of the following molecules. (c) Which molecules posses identical sets of symmetry operations? C Me Ме Me Me Me INH3 H3N NH3 NO OC ON- CO CO

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter14: Rotational And Vibrational Spectroscopy

Section: Chapter Questions

Problem 14.12E

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Question

4. (a) Identify the principal (z) rotational axis for all molecules provided below.
(b) Provide a complete list of symmetry operations for each of the following molecules.
(c) Which molecules posses identical sets of symmetry operations?
Me
Me
Me
Me
H3N
NH3
NO
Oc-FeCO
ON-F
CO

Expert Solution

Step 1

Symmetry operation is an action perfomed on a molecule , yields an new orientation of it that is indistinguishable from the original.

The proper rotation axis is a line about which rotation through certain angle brings an object into an indistinguishable orientation from the previous one.

The highest fold proper rotation axis is called the principal axis.

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