Figure 7
[pi]-Stacks of DDQ[^{\bullet -}] in (a) LiDDQ·2H2O·Me2CO and (b) RbDDQ·2H2O. For (b), interplanar separation distances in RbDDQ·2H2O are indicated in black, whereas those of CsDDQ·2H2O are in red.  [article HTML]

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