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Serendipity and Rational Design of One‐Dimensional Doubly Stranded Chains with Nanometric Cavities Based on Ag I Coordination Chemistry
Author(s) -
Mimassi Lamia,
GuyardDuhayon Carine,
Raehm Laurence,
Amouri Hani
Publication year - 2002
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/1099-0682(200209)2002:9<2453::aid-ejic2453>3.0.co;2-l
Subject(s) - chemistry , isostructural , crystallography , triclinic crystal system , ligand (biochemistry) , self assembly , nuclear magnetic resonance spectroscopy , nanotechnology , stereochemistry , crystal structure , organic chemistry , biochemistry , receptor , materials science
Spontaneous and cooperative self‐assembly processes allowed the preparation of two complexes {[AgL 1 2 ][X]} n [X = CF 3 SO 3 , ( 3a ); X = BF 4 , ( 3b )] in quantitative yields, identified as 1‐D doubly stranded chains. The X‐ray molecular structures of 3a,b are reported. Complexes 3a,b are isostructural and crystallize in the triclinic unit cell. The structures of 3a and 3b show the formation of a one‐dimensional coordination polymer exhibiting as an outstanding feature the presence of infinite chained metallomacrocycles with nanometric cavities. Interestingly, NMR spectroscopy and electrospray mass spectrometry suggest that the identified elemental sub‐unit [AgL 1 2 ] + is the key building block which self‐assembles to provide the inorganic polymers 3a,b . The effect of weakly coordinating counteranions and the assembling ligand L 1 on the supermolecule design are presented and discussed. (© Wiley‐VCH Verlag GmbH, 69451 Weinheim, Germany, 2002)