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Issue 22, 2002
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Central vs. peripheral Ag(I) coordination in NS3-open chain and cage ligands

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Abstract

A series of NS3-open chain and cage ligands were synthesised and their complexation behaviour towards Ag(I) and Cu(I) studied. Crystal structures show that all open chain ligands form complexes in which the four donor atoms of the ligands coordinate the metal ions in a trigonal pyramidal geometry. For the NS3-cages, however, the ions are not in the centre of the cage, but show peripheral coordination resulting in polymeric crystal structures. The new NS3-aromatic cage ligand 18 binds Ag(I) peripherally giving a polymeric structure in the solid state and fluxional behaviour in solution. NMR evidence for equally populated central and peripheral coordination sites is coherent with results from DFT calculations.

Graphical abstract: Central vs. peripheral Ag(i) coordination in NS3-open chain and cage ligands

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Publication details

The article was received on 30 May 2002, accepted on 27 Aug 2002 and first published on 14 Oct 2002


Article type: Paper
DOI: 10.1039/B205287C
Citation: J. Chem. Soc., Dalton Trans., 2002, 4143-4151
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    Central vs. peripheral Ag(I) coordination in NS3-open chain and cage ligands

    J. M. Baumeister, R. Alberto, K. Ortner, B. Spingler, P. August Schubiger and T. A. Kaden, J. Chem. Soc., Dalton Trans., 2002, 4143
    DOI: 10.1039/B205287C

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