Chemistry - A European Journal p. 99 - 104 (1997)
Update date:2022-08-17
Topics:
Funeriu, Daniel P.
Lehn, Jean-Marie
Baum, Gerhard
Fenske, Dieter
The newly synthesised ligand 2 combines binding components known to undergo specific and distinct self-assembly processes with Cu(I) ions. It complexes Cu(I) to form, in almost quantitative yield, a large inorganic architecture 1 made up from four ligand molecules and twelve metal ions. The structure of 1 was ascertained by X-ray radiocrystallography as well as by NMR spectroscopy and electrospray mass spectrometry. It consists of a macrocycle of nanometric dimension with an external diameter of 28 A; the central cavity has a diameter of 11 A which contains four PF6/- anions as well as solvent molecules. The spontaneous formation of 1 results from a self-assembly process based on a 'program' combining two assembly subroutines, each specific to one of the ligand subunits. Self-assembly through double or, more generally, multipie subroutines can be used to generate a wide variety of highly complex inorganic supramolecular architectures by combination of two or more assembly processes.
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