title: Trimeric cyclamers: solution aggregation and high Z' crystals based on guest structure and basicity.
abstract: Ureidosalicylic acid forms remarkable trimeric cyclamer-like crystal structures with either three or six independent molecules in the asymmetric unit as a result of the excess of hydrogen bond donors and guest inclusion within the centre of the cyclamer. The structures persist in solution in hydrogen bond acceptor solvents suggesting a role for solution pre-association in forming high Z' structures.
authors.affiliation: Department of Chemistry, Durham University, University Science Laboratories, South Road, Durham, DH1 3LE, UK. jon.steed@durham.ac.uk.
authors.forename: Stuart R
authors.initials: SR
authors.lastname: Kennedy
authors.affiliation: Department of Chemistry, Durham University, University Science Laboratories, South Road, Durham, DH1 3LE, UK. jon.steed@durham.ac.uk.
authors.forename: Adeline
authors.initials: A
authors.lastname: Miquelot
authors.affiliation: Department of Chemistry, Durham University, University Science Laboratories, South Road, Durham, DH1 3LE, UK. jon.steed@durham.ac.uk.
authors.forename: Juan A
authors.identifier: http://orcid.org/0000-0001-9181-8892
authors.initials: JA
authors.lastname: Aguilar
authors.affiliation: Department of Chemistry, Durham University, University Science Laboratories, South Road, Durham, DH1 3LE, UK. jon.steed@durham.ac.uk.
authors.forename: Jonathan W
authors.initials: JW
authors.lastname: Steed