The dimensions of (e^2)/(2 ε_0(h c)) are

$\frac{\mathrm{C}^2}{\mathrm{C}^2 /\left(\mathrm{N} \times \mathrm{m}^2\right) \times \text { Joule } \times \text { sec } \times \text { meter } \times \mathrm{sec}^{-1}}$