Interpenetrating three-dimensional coordination networks with a rare 4-connected (6(5).8) topology and unusual geometrical features
Plater, M. John, Gelbrich, Thomas, Hursthouse, Michael B. and De Silva, Ben M. (2008) Interpenetrating three-dimensional coordination networks with a rare 4-connected (6(5).8) topology and unusual geometrical features. Crystengcomm, 10, (1), 125-130. (doi:10.1039/b711047b).
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The reactions of Cu(NO3)2, Co(NO3)2 and Ni(NO3)2 with bp_pen = 1,5-bis(4-pyridyl)pentane yield three-dimensional coordination polymers [M(bp_pen)2(NO3)2] with M = Cu ( 1), Co ( 2), Ni ( 3). These are four-connected uninodal 3D nets exhibiting a rare (65.8) topology defined by metal centres (nodes) and bipyridyl ligands (edges). The reaction of CuNO3 with bp_hep = (1,7-bis(4-pyridyl)heptane yielded a similar net in the structure of [Cu2(bp_hep)4(NO3)3](NO3)(H2O) ( 4). A characteristic of the networks of 1– 4 is that their shortest edge is by far (50%) longer than the shortest distance between two neighbouring nodes. This unusual geometrical feature is facilitated by the long and flexible bp_pen and bp_hep spacers. All four investigated crystal structures are composed of three interpenetrating (65.8) nets.
|Keywords:||parallel, salts m, 1,3-bis(4-pyridyl)propane, polymers, copper(ii), crystal-structure, ligands, ,cambridge structural database, co, 1st|
Q Science > QD Chemistry
|Divisions:||University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||19 Aug 2008|
|Last Modified:||02 Mar 2012 13:09|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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