DATA FOR PARTS A THROUGH C	Simple cubic	Body centered (BCC)	Face centered (FCC)
Number of complete unit cells in model
Number of additional (surrounding) unit cells that would contain portions of the model
Number of spheres in contact with a given sphere (this is sometimes referred to as the crystallographic coordination number)
Fraction of each corner sphere contained in one unit cell
Number of corner spheres within each unit cell (if fragments are added together)
Number of body-centered spheres within each unit cell
Fraction of each face-centered sphere contained in one unit cell
Number of face-centered spheres within each unit cell (if fragments are added together)
Total number of spheres within each unit cell
Length of body diagonal in terms of r
Length of face diagonal in terms of r
Length of unit cell edge in terms of r