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Full Paper
Supramolecular Assemblies of a Bis(terpyridine) Ligand and of its [2×2] Grid-type ZnII and CoII Complexes on Highly Ordered Pyrolytic Graphite
Article first published online: 13 FEB 2002
DOI: 10.1002/1521-3765(20020215)8:4<951::AID-CHEM951>3.0.CO;2-9
© 2002 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany
8:4<>1.0.CO;2-F/asset/cover.gif?v=1&s=276dac4b7548896ffa24d5c2d522d7574c05f454 "Chemistry - A European Journal")
Additional Information
How to Cite
Ziener, U., Lehn, J.-M., Mourran, A. and Möller, M. (2002), Supramolecular Assemblies of a Bis(terpyridine) Ligand and of its [2×2] Grid-type ZnII and CoII Complexes on Highly Ordered Pyrolytic Graphite. Chemistry - A European Journal, 8: 951–957. doi: 10.1002/1521-3765(20020215)8:4<951::AID-CHEM951>3.0.CO;2-9
Publication History
- Issue published online: 13 FEB 2002
- Article first published online: 13 FEB 2002
- Manuscript Received: 30 MAY 2001
- Abstract
- Article
- References
- Cited By
Keywords:
- cobalt;
- coordination chemistry;
- scanning probe microscopy;
- supramolecular chemistry;
- zinc
Graphical Abstract
8:4<951::AID-CHEM951>3.0.CO;2-9/asset/image_m/mcontent.gif?v=1&s=a81289a11c51fc1980bc14d861f96e81fc111d5c "Thumbnail image of graphical abstract")
Bis(terpyridine)-type ligands yield well-organised structures (see picture) upon adsorption on highly ordered pyrolytic graphite (HOPG) due to weak inter- and intramolecular hydrogen bonds. Coordination of CoII and ZnII ions afford tetranuclear [2×2] grid-like complexes. The Co complex forms a less stable but still well-organised array on HOPG.
Abstract
The synthesis and characterisation of bis(terpyridine)-derived ligands which are capable of forming [2×2] grid-like complexes is presented. Additional pyridine substituents on these ligands do not interfere with the complexation process. Adsorbing one of the pure ligands on highly ordered pyrolytic graphite (HOPG) shows a highly ordered structure stabilised by additional weak intermolecular C−H⋅⋅⋅N hydrogen bonds partially through the extra-pyridines as could be shown by scanning tunneling microscopy (STM) investigations. Similar adsorption experiments with one of the corresponding [2×2] CoII grid-type complexes on graphite, led also to a well-organised structure with interdigitation of the extra-pyridine moieties.