## Materials Science and Engineering: An Introduction

orthorombic unit cell represents $a\ne b\ne c$ and $\alpha = \beta =\gamma =90^{\circ}$ To represent the point $(0,\frac{1}{2},1)$ and $(\frac{1}{3},\frac{1}{4},\frac{1}{4})$
orthorombic unit cell represents $a\ne b\ne c$ and $\alpha = \beta =\gamma =90^{\circ}$ To represent the point $(0,\frac{1}{2},1)$ and $(\frac{1}{3},\frac{1}{4},\frac{1}{4})$