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Type: Journal article
Title: Self-assembled metallo-macrocycle based coordination polymers with unsymmetrical amide ligands
Author: Abdul-Kadir, M.
Hanton, L.R.
Sumby, C.J.
Citation: Dalton Transactions: an international journal of inorganic chemistry, 2011; 40(45):12374-12380
Publisher: Royal Society of Chemistry
Issue Date: 2011
ISSN: 1477-9226
Abstract: A series of metallo-macrocyclic based coordination polymers has been prepared from flexible amide ligands N-6-[(3-pyridylmethylamino)carbonyl]-pyridine-2-carboxylic acid (L1-CH(3)) and N-6-[(4-pyridylmethylamino)carbonyl]-pyridine-2-carboxylic acid (L2-CH(3)). In all but one case, self-assembled dinuclear metallo-macrocyclic units form the basis of the polymeric structures, whereby discrete metal centres, and dinuclear or trinuclear clusters, are linked by the self-assembled macrocycles to give 1D and 2D coordination polymers. In one instance, a 1D coordination polymer is formed in a reaction carried out under ambient conditions; when the same reaction is conducted under solvothermal conditions a 2D structure is formed. In all but two of these structures, the polymeric chains and nets are close-packed within the crystals. In the case of a 6,3-connected 2D coordination polymer {[Cd(3)(L2-CH(3))(3)(NO(3))(L2)(CH(3)OH)](NO(3))(2)·12½H(2)O}(n) (9), small oval channels percolate down the a-axis of the unit cell.
DOI: 10.1039/c1dt10853k
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