Fullerene inclusion based on Horning-crown macrocycles


Makha, M., Scott, J. L., Strauss, C. R., Sobolev, A. and Raston, C., 2009. Fullerene inclusion based on Horning-crown macrocycles. Crystal Growth and Design, 9 (1), 483–487.

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Horning-crown macrocycles, 1(R = (CH2)2) and 2(R = (CH2)3) form inclusion complexes with C60 and C70 fullerenes which have been structurally authenticated using X-ray diffraction data. Macrocycle 1 affords a C60 complex as a toluene solvate with overall composition C60(1)2(tol)2, 3, whereas the larger macrocycle, 2, affords complexes with both C60 and C70 fullerenes, also as toluene solvates: C60(2)(tol)2, (4); C70(2)(tol)2, (5); and C70(2)2(tol)2, (6). The higher degree of flexibility of such macrocyles relative to classical calixarenes is noteworthy in forming fullerene complexes, with the smaller ring size of 1 favoring fullerene complexation toward the smaller C60 molecule. The supramolecular assemblies involve host−guest interactions as well as interaction of fullerenes in zigzag chains with interfullerene contacts close to the van der Waals limit.


Item Type Articles
CreatorsMakha, M., Scott, J. L., Strauss, C. R., Sobolev, A. and Raston, C.
Related URLs
DepartmentsFaculty of Science > Chemistry
Research CentresCentre for Sustainable Chemical Technologies
ID Code34383


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