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Crystal structures of dicarboxy-2,2′-bipyridyl complexes: The role of hydrogen bonding and stacking interactions

Lookup NU author(s): Dr Mark Elsegood, Emeritus Professor Bill Clegg


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The crystal structures of three complexes of dicarboxy-2,2′-bipyridyl ligands, 5,5′-dicarboxy-2,2′-bipyridyl (1) and 4,4′-dicarboxy-2,2′-bipyridyl (2) are reported. [Rh(1H)3] shows two interpenetrating, homochiral rhombohedral networks linked by short carboxylate-carboxylic acid hydrogen bonds, leading to the formation of heterochiral chains held together by stacking between bipyridyls. [Co(2H)3] can in principle form six hydrogen bonds, but in practice forms only four in a layer structure where stacking interactions are important. This is attributed to differences in molecular shape.

Publication metadata

Author(s): Matthews CJ, Elsegood MRJ, Bernardinelli G, Clegg W, Williams AF

Publication type: Article

Publication status: Published

Journal: Dalton Transactions

Year: 2004

Issue: 3

Pages: 492-497

ISSN (print): 1477-9226

ISSN (electronic): 1477-9234

Publisher: Royal Society of Chemistry


DOI: 10.1039/b314539e

PubMed id: 15252559


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