Compounds formed from C60 and potassium K6C60 and K3C60




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Click Image to Display Alternate Structures

a) Arrangement of C60 molecules in a face-centred cubic lattice

b) K6C60, with a body- centred cubic unit cell with C60 molecular ions at the cell corners and body centre, and K+ ions occupying half of the sites in the faces of the cell which have approximate tetrahedral coordination to four C60 molecular ions

c) K3C60 is obtained by filling all the tetrahedral and all the octahedral holes in the close-packed C603− lattice with K+ ions.