 | Figure 4. Caffeine model loaded as though it had P21 21 21 symmetry (load caffeine.xyz {1 1 1} spacegroup "P 21 21 21" unitcell {10.0 12.0 8.0 90 90 90}). |
|  | Figure 5. Quartz loaded with just one of its 3-fold screw axis operations (load quartz.cif SPACEGROUP "-y,x-y,z-1/3") |
|  | Figure 6. Surface through a plane parallel to the 111 Miller plane highlighting atom positions. |
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