Structure–Function Relationships in Liquid-Crystalline Halogen-Bonded Complexes (pages 9511–9524)
Duncan W. Bruce, Pierangelo Metrangolo, Franck Meyer, Tullio Pilati, Carsten Präsang, Giuseppe Resnati, Giancarlo Terraneo, Stephen G. Wainwright and Adrian C. Whitwood
Article first published online: 21 JUL 2010 | DOI: 10.1002/chem.201000717
Clear as liquid crystals! New liquid-crystalline materials (see figure) were prepared by self-assembly driven by halogen bonding (XB) between a range of alkoxystilbazoles (XB acceptors) and derivatives of the 4-iodotetrafluorophenyl unit (XB donors). Despite the fact that the starting materials are not mesomorphic, the dimeric, halogen-bonded complexes obtained exhibited nematic and SmA phases, depending on the length of the alkyl chains present on the components.