Structure of K3C60
 
 

K in octahedral holes Red; K in tetrahedral holes blue; C Grey
Right click to change view; left click to rotate
Try viewing in display/ball and stick to see the tetrahedral sites
(This may be viewed using the CHIME plugin)
K3C60 may be described as a cubic close packed array of C60 spheres (which are disordered in the representation shown here).

1. What type of holes are present in the C60 lattice?

2. How many of each type of hole is present?

4. How do you rationalise the formula?

5. Try viewing the structure with ball and stick radii to see the tetrahedral sites more clearly.

 

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