Question

The rotational spectrum of the hcl molecule contains lines with wavelengths

Answer 1

The rotational spectrum of HCl contains the following wavelengths (among others): 60.4 µm, 69.0 µm, 80.4 µ m, 96.4 µm, and 120.4 µm. Use this spectrum to find the moment of inertia of the HCl molecule about an axis through the center of mass and perpendicular to the line joining the two nuclei.