Chapter 11, Problem 11B.6BE

Interpretation Introduction

Interpretation:

The molecules that show pure rotational microwave spectrum have to be stated.

Concept introduction:

Microwave spectroscopy is a spectroscopic technique governing the absorption of radiations in the microwave region.  For a molecule to exhibit pure rotational spectrum, the molecule must possess a permanent electric dipole moment.  The molecules possessing dipole moment is considered as a handle that stirs the electromagnetic field into oscillation.  Polar molecules possess electric dipole moment and thus are classified as microwave active.