Straightening out halogen bonds†
Abstract
The fine control of molecular arrangements using intermolecular interactions is essential for the reliable formation of complex materials. The predictable directionality of supramolecular forces is a key aspect that allows bottom-up design of such architectures. Here we describe a way to quantify the linearity of intermolecular halogen bonds and show that pyridyl halogen bond acceptors are more reliable than equivalent nitrile systems in forming predictable assemblies. A new parameter is presented to more accurately describe the linearity of halogen bonds.
- This article is part of the themed collection: Introducing the CrystEngComm Advisory Board and their research
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