Anion-directed self-assembly of metallosupramolecular coordination polymers of the radialene ligand hexa(2-pyridyl)[3]radialene
Date
2002
Authors
Steel, P.
Sumby, C.
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Inorganic Chemistry Communications, 2002; 5(5):323-327
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Hexa(2-pyridyl)[3]radialene was prepared by reaction of di-2-pyridylmethane with tetrachlorocyclopropene. Reaction of this ligand with silver nitrate and silver hexafluorophosphate gave two different one-dimensional coordination polymers each with a 2:1 metal-ligand composition. X-ray crystal structures revealed that the structure and topology of the coordination polymer is strongly influenced by the anion. In the reaction with silver nitrate the ligand self-assembled to give a helical one-dimensional coordination polymer, but when silver hexafluorophosphate was used, a coordination polymer, composed of Ag<inf>3</inf>L<inf>2</inf> prismate cages linked by linear-bridging silver atoms, was obtained. © 2002 Elsevier Science B.V. All rights reserved.
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Hexa(2-pyridyl)[3]radialene was prepared by reaction of di-2-pyridylmethane with tetrachlorocyclopropene. Reaction of this ligand with silver nitrate and silver hexafluorophosphate gave two different one-dimensional coordination polymers each with a 2:1 metal–ligand composition. X-ray crystal structures revealed that the structure and topology of the coordination polymer is strongly influenced by the anion. In the reaction with silver nitrate the ligand self-assembled to give a helical one-dimensional coordination polymer, but when silver hexafluorophosphate was used, a coordination polymer, composed of Ag3L2 prismate cages linked by linear-bridging silver atoms, was obtained.