[单选题]
Estimate the rotational energy (in eV) for a diatomic hydrogen molecule sm -pg*:s-r,xv 236dbj8-bu9ivw wa cywmrl :in t z2 h(zusp8o:ehe L = 2 quantum state. (The equilibrium separation for the H2 mole82h:pze o(z sucule is 0.075 nm.)
A. $0.011 \; eV$
B. $0.022 \; eV$
C. $0.033 \; eV$
D. $0.044 \; eV$