2.13A˚2.13 \mathring{A}2.13A˚
3.14A˚3.14 \mathring{A}3.14A˚
2.13×10−10 cm2.13 \times 10^{-10} \mathrm{~cm}2.13×10−10 cm
2.45×10−10 cm2.45 \times 10^{-10} \mathrm{~cm}2.45×10−10 cm
2.65A˚2.65 \mathring{A}2.65A˚