Figure 6
The structure of 3, showing (a) four-, six- and eight-membered rings formed by tetrahedral lithium centres and carboxylate atoms, (b) the Hhba− ligands closely packed in a face-to-edge arrangement and (c) a packing diagram of compound 3 viewed along the b axis. H atoms have been omitted in parts (a) and (c). Colour code: Li purple, O red, C black and H pale pink. |