Structural supramolecular constructs of spheres and tubes
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This thesis examines four different molecular systems that are in part or substrates for larger structural motifs that resemble spheres or tubes. The first project used donut shaped cucurbituril and through functionalization realized a new analogue, a greener synthesis for biologically important molecules called hydantoins and a new crystal motif involving potassium nitrate and cucurbituril. The second project examined the solid state structure of C60 and C70 fullerene and how they interact with the cup shaped calixarenes. With the small addition of C70 that is comparable to that found in the native fullerite, the crystal structure of the resulting complex is radically changed from pure C60 and calixarene. C70 with calixarene was also revealed through the use of p-xylene.The third project investigated the interactions between nickel macrocycles and single walled carbon nanotubes. The final project took supramolecular hexamers from the cup-shaped pyrogallolarene and produced large spherical and tubular aggregates.
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Movie file names; media/movie_s1.mpg ; media/movie_s2.mpg ; media/movie_s3.mpg.