Article ID Journal Published Year Pages File Type
1406784 Journal of Molecular Structure 2008 6 Pages PDF
Abstract
The 1-amino-2-phenylethane-1,1-diphosphonic acid (APhEDPH4) is easily assembled to form two-dimensional (2D) supramolecular layer. It crystallizes from water solution to form hydrated compound APhEDPH4·3H2O (1). By introducing a base bridging ligand 4,4′-bipyridyl (4,4′-bipy), another supramolecular compound (APhEDPH3)2·(4,4′-bipyH2) (2) is obtained. Both of them were characterized by X-ray diffraction (XRD), elemental analysis (EA), infrared spectrometry (IR), thermogravimetric analysis (TGA) and single crystal X-ray diffraction. In compound 1, APhEDPH4 molecules form 2D supramolecular layers and extend to 2D sandwich type supramolecular architecture with the existence of water molecules. Whereas, compound 2 contains 2D supramolecular layers constructed by APhEDPH3- anions, and shows a three-dimensional (3D) tessellate-type supramolecular structure via the bridging effect of 4,4′-bipyH22+. Compound 2 shows intense blue photoluminescence with when excited by ultraviolet ray. The effect of bridged ligand on the dimensions of the final product is also discussed.
Related Topics
Physical Sciences and Engineering Chemistry Organic Chemistry
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