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Diatomic molecule problem

  1. Nov 5, 2007 #1
    We have Heteronuclear diatomic molecules with atomic masses m1 and m2 and an internuclear distance R have rotational energy eigenvalues
    EJ = BJ(J + 1) , J = 0, 1, 2, . . . when they are considered as a rigid rotor. The rotational constant is given by
    B = h^2/2µR^2 with the reduced mass µ = m1m2/(m1 + m2) .

    I need to Describe the frequency spectrum observed when photons are emitted
    in a pure rotational transition J + 1 -> J .

    also describe a method to estimate the internuclear distance R
    from such a rotational spectrum ?.

    How to proceed in this regard.

  2. jcsd
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