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The moment of inertia (I) of a diatomic molecule like N2 can be calculated using the formula: I = μr², where μ is the reduced mass and r is the internuclear distance. The reduced mass (μ) for N2 is calculated as μ = (m1
m2) / (m1 + m2), where m1 and m2 are the masses of the two nitrogen atoms. Given that the mass of a nitrogen atom is approximately 14.007 u (atomic mass units), and the internuclear distance is 0.1095 nm, you can plug these values into the formula to get the moment of inertia.