Novel 2D and 3D Indium Metal-Organic Frameworks:  Topology and Catalytic Properties

01 natural sciences 0104 chemical sciences
DOI: 10.1021/cm047748r Publication Date: 2005-05-10T04:32:18Z
ABSTRACT
Four novel metal-organic frameworks (MOFs) [In(BDC)1.5(bipy)] (1), [In2(OH)2(BDC)2(phen)2] (2), [In(BTC)(H2O)(bipy)] (3), and [In(BTC)(H2O)(phen)] (4) (BDC = 1,4-benzendicarboxylic acid, BTC = 1,3,5-benzenetricarboxylic acid, bipy = 2,2‘-bipyridyl, phen = o-phenantroline) were synthesized and their structures were determined by X-ray single-crystal diffraction. Structurally speaking we can conclude that while the metal/connector/chelate rate is 1:1:1, the introduction of a chelate ligand, such as bipy or phen, blocks the possibility of connections in one direction, inducting the formation of 2D structures. In the case of compound 1, the extra one-half of BDC ligand per indium favors the eight coordination of the metal and drives the formation of a catenated 3D structure. Topological studies on the four compounds show one inclined catenation of hexagonal layers for 1 and three interdigitated layered structures with 2D topologies of type (44), (63), and (4.82) for 2, 3, and 4 compounds, respectively. Three ...
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