Problem - CP29 Diatomic oxygen (02) has a dissociation energy D = 2.5 ev and a bond length ng = 0.121 nm. Suppose we model the potential energy of interaction between the atoms as U(r) = a/pl- bird, where r is the separation of the two oxygen atoms. (a) Find a and b, including units as well as numerical values. (b) Find the frequency of small vibrations about the equilibrium position fg. (c) The vibration of this molecule produces electromagnetic radiation whose frequency is comparable to the fre- quency of small vibrations. In what region of the electromagnetic spectrum (radio, microwave, Infrared, visible, ultraviolet, x-ray, y-ray) is this radiation? (See the CRC Handbook, for example)