Figure 7
Packed and capped quartz unit
cell where atoms having different fractions within the unit cell
are shown with a different color and shape (small red: oxygen;
other colors: silicon), demonstrating the unit-cell formula
Si3O6 and empirical formula SiO2 (load quartz.cif
packed; wireframe off; color {_Si} blue; color {atomno=6} none;
color {atomno=3 or atomno=13} yellow; lcaoCartoon cap unitcell cpk;
spacefill off). |