Journal
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
Volume 630, Issue 15, Pages 2599-2604Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/zaac.200400416
Keywords
hybrid composites (organic-inorganic); carboxylate ligands; polymorphism
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The present paper aims at exploring the candidate hybrid structures of the Cr/trimesic acid system by assembling pre-defined hybrid building-blocks in direct space. Two possible hybrid building-blocks were identified where the connection of the 1,4 BDC molecules to an inorganic metal-containing trimer forms a large supertetrahedron (ST) or alternatively a large supercube (SC). From existing topologies derived from the space filling packing of corner-sharing cubes and tetrahedra, two candidates hybrid crystal structures were constructed. Lattice energy minimizations were performed on each candidate structure, as a preliminary step towards the estimation of their relative stabilities. This work further illustrates the computational design of very open hybrid frameworks using the concept of pre-defined building blocks and their assembly in 3D space.
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