A small library of 1:1 cocrystals formed on halogen bonding driven self-assembly of α,ω-diiodoperfluoroalkanes with pyridine derivatives is synthesized and characterized through single crystal X-ray analyses. A strict correlation exists between the metrics of the starting tectons and the metrics of the self-assembled architectures. The pitch along the infinite chains, formed on XB driven self-assembly, and the thickness of the fluorocarbon layers, formed due to perfluorocarbon/hydrocarbon segregation, both correlate with the number of difluoromethylene groups in diiodoperfluoroalkanes.
Metric engineering in hybrid perfluorocarbon-hydrocarbon cocrystals / Catalano, L.; Metrangolo, P.; Pilati, T.; Resnati, G.; Terraneo, G.; Ursini, M.. - In: JOURNAL OF FLUORINE CHEMISTRY. - ISSN 0022-1139. - 196:(2017), pp. 32-36. [10.1016/j.jfluchem.2016.07.011]
Metric engineering in hybrid perfluorocarbon-hydrocarbon cocrystals
Catalano L.;
2017
Abstract
A small library of 1:1 cocrystals formed on halogen bonding driven self-assembly of α,ω-diiodoperfluoroalkanes with pyridine derivatives is synthesized and characterized through single crystal X-ray analyses. A strict correlation exists between the metrics of the starting tectons and the metrics of the self-assembled architectures. The pitch along the infinite chains, formed on XB driven self-assembly, and the thickness of the fluorocarbon layers, formed due to perfluorocarbon/hydrocarbon segregation, both correlate with the number of difluoromethylene groups in diiodoperfluoroalkanes.
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