Symmetry and Crystallography Learning Goals

Be able to define and recognize:

• an n-rotation axis and improper axis
• a mirror plane
• an inversion center
• a screw axis
• a glide plane
• a point group symbol
• a unit cell
• a primitive cell
• a centered cell
• the asymmetric unit of a cell
• Be able to assign a point group label

Know :

• Bragg's Law
• the experimental configuration for both film and diffractometer methods in single crystal and in powder diffraction analyses