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Triple helicates and planar dimers arising from silver(I) coordination to directly linked bis-pyridylimine ligands
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UNSPECIFIED (2002) Triple helicates and planar dimers arising from silver(I) coordination to directly linked bis-pyridylimine ligands. JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS (8). pp. 1635-1641. doi:10.1039/b110137b ISSN 1472-7773.
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Official URL: http://dx.doi.org/10.1039/b110137b
Abstract
Silver(I) coordination is investigated for three ligands of the pyridine-azine class, in which two pyridylimine binding units are linked directly through the imine nitrogen atoms. H-1 NMR, X-ray analysis and ESI mass spectrometry indicate the presence of a range of metallo-supramolecular architectures in solution for all three ligands. X-Ray analysis confirms the solid state structures for a dinuclear triple helicate containing five-coordinate silver centres and a dinuclear dimer in which the silver ions are three-coordinate with long range stabilising interactions to trifluoromethanesulfonate counter-ions. A tetranuclear grid-like array is also implied as a component of the solution library. The five-coordinate silver(I) ions in the triple helicate result in a hetero-ligand system with two ligands oriented in a head-to-tail fashion. This is distinct from the triple helicates formed with octahedral metals such as an iron(II) triple helicate also crystallographically characterised herein.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | ||||
Publisher: | ROYAL SOC CHEMISTRY | ||||
ISSN: | 1472-7773 | ||||
Official Date: | 2002 | ||||
Dates: |
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Number: | 8 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 1635-1641 | ||||
DOI: | 10.1039/b110137b | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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