title: Supramolecular assemblies of tripodal porphyrin hosts and C60.
abstract: The self-assembly of two tripodal porphyrin hosts in the presence of C(60), in the solid state, has been studied using synchrotron X-ray crystallography, and in solution by using (1)H NMR and fluorescence spectroscopies. The binding affinities, stoichiometries and geometries strongly depend on the size of the porphyrin host. Intramolecular and/or intermolecular porphyrin-fullerene interactions are observed in the co-crystallites and in each case, the trimer exhibits a "tweezers-like" structural motif. The solid-state structures of the trimer-fullerene co-crystallites reveal close fullerene-porphyrin and fullerene-fullerene contacts.
authors.affiliation: Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, UK.
authors.forename: Lok H
authors.initials: LH
authors.lastname: Tong
authors.forename: Jean-Luc
authors.initials: JL
authors.lastname: Wietor
authors.forename: William
authors.initials: W
authors.lastname: Clegg
authors.forename: Paul R
authors.initials: PR
authors.lastname: Raithby
authors.forename: Sofia I
authors.initials: SI
authors.lastname: Pascu
authors.forename: Jeremy K M
authors.initials: JK
authors.lastname: Sanders
mesh_terms: D018360:Crystallography, X-Ray; D037741:Fullerenes / Q000737:chemistry*; D046911:Macromolecular Substances / Q000737:chemistry; D008958:Models, Molecular; D015394:Molecular Structure; D009942:Organometallic Compounds / Q000737:chemistry*; D011166:Porphyrins / Q000737:chemistry*; D015032:Zinc / Q000737:chemistry*
chemical_list: D037741:Fullerenes; D046911:Macromolecular Substances; D009942:Organometallic Compounds; D011166:Porphyrins; D015032:Zinc; C069837:fullerene C60