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325 Metal-Organic Squares and Polyhedra Based On Multidentate β-Diketones

Thursday, November 5, 2009: 3:50 PM
Rio Grande (Camino Real Hotel)
Andrew W. Maverick , Department of Chemistry, Louisiana State University, Baton Rouge, LA
Frank R. Fronczek , Department of Chemistry, Louisiana State University, Baton Rouge, LA
Chandi Pariya , Department of Chemistry, Louisiana State University, Baton Rouge, LA
Yoseph S. Marcos , Department of Chemistry, Louisiana State University, Baton Rouge, LA
Jackson K. Cherutoi , Department of Chemistry, Louisiana State University, Baton Rouge, LA
Jace D. Sandifer , Department of Chemistry, Louisiana State University, Baton Rouge, LA

We have been studying the formation of polynuclear host complexes by reaction of multifunctional β-diketones with metals such as Cu2+.  Bis(β-diketones) such as m-pbaH2 (see figure) yield molecular squares of ca. 1.4 nm diameter, which bind guests such as 4,4′-bpy and C60.  Trifunctional ligands can lead to metal-organic polyhedra (MOPs), including dodecahedra M30L20 (ca. 5 nm diameter).  Geometric distortions in coordinated β-diketonates, and the optimum selection of ligands for construction of supramolecular complexes, will also be discussed.

2D-3D

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