What is the height of the unit cell? — Solid State Chemistry Question

💡 Solution & Explanation

Height $h = 4r\sqrt{2/3}$. Using calculated $r = 1.56$ Å and given $\sqrt{2/3} = 0.8$, $h = 4 \times 1.56 \times 0.8 = 4.992$ Å. Therefore, correct answer is C.