[Zn2(H2O)3(2,<f>2′</f>-bipy)2(btc)][Zn(H2O)(2,<f>2′</f>-bipy)(btc)] <f>·</f>8H2O: a novel zinc–carboxylate complex consisting of independently cationic and anionic chains

A novel zinc complex, [Zn2(H2O)3 (2,<f>2′</f>-bipy)2(btc)][Zn(H2O)(2, <f>2′</f>-bipy)(btc)]<f>·</f>8H2O (1), (H3btc=1,3,5- benzenetricarboxylic acid, 2,<f>2′</f>-bipy=2,<f>2′</f>-bipyridine) has been prepared by hydrothermal reaction of H3btc, Zn(CH3CO2)2<f>·</f>2H2O and 2,<f>2′</f>-bipyridine at 180 °C and characterized by single-crystal X-ray diffraction analysis. Complex 1 consists of independently cationic and anionic chains. The hydrogen bonding interactions between chains extend 1 into a two-dimensional supramolecular architecture. [Copyright &y& Elsevier]