In the Absorption Spectrum of the Diatomic Molecule HCl the Central

Multiple Choice

In the absorption spectrum of the diatomic molecule HCl the central frequency is at 8.67 $\times$ 10¹³ Hz,while the absorption peaks on either side are separated by 5.9 $\times$ 10¹¹ Hz.What is the difference in energy between neighboring vibrational levels?

A) 0.18 eV
B) 0.27 eV
C) 0.36 eV
D) 2.4 meV
E) 1.2 meV