1-D coordination polymers containing benzenedicarboxylate

The preparation and crystal structures of [Cu(1,3-bdc)(py)(3)](.)11/2 H2O (1), [Cu(1,3-bdc)(py)(3)](.)H2O.CH3OH (2), [Co(1,3-bdc)(py)(3)(H2O)] (3), [Co(1,3-bdc)(py)(3)(CH3OH)](.)H2O (4), [Cu(1,3-bdc)(py)(2) (5), [Co(1,3-bdc)(CH3OH)(4)] (6) and [Ni(1,3-bdc)(CH3OH)(4)] (7) are described (1,3-bdc=1,3-benzenedicarboxylic acid; py=pyridine). 1-4 form straight-chain 1-D coordination polymers with interdigitated pyridyl ligands that are engaged in C-H . . . pi hydrogen bonds. 6 and 7 form similar 1-D polymeric chains, but the smaller methanol ligands allow the bdc groups to stack to form pi . . . pi interactions. 5 forms a rectangular 2-D grid structure with insufficient space for guest inclusion. (C) 2001 Elsevier Science Ltd. All rights reserved.