Template Assembly of Metal Aggregates by Imino-Carboxylate Ligands
Dan M J Doble1, Colin H Benison1, Alexander J Blake1
1School of Chemistry, The University of Nottingham, University Park, Nottingham, NG7 2RD (UK), Fax: (+44) 115-951-3563.
Abstract:
Lanthanide, main group, and transition metal ion templates provide different polynuclear cages from [M(L)] (M=Ni, Mn; (L)2-=CH2[CH2N=C(CH3)COO-]2). Templating with lanthanum results in a 12-coordinate LaIII ion encapsulated by six [Ni(L)] units, whereas with sodium four Na+ ions are trapped inside a tricapped trigonal prismatic [{Ni(L)}9] cage. With manganese, an octahedrally coordinated MnII ion is surrounded by six [Mn(L)] fragments in a twisted trigonal-prismatic configuration (see picture).
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